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Calcium   Listen
noun
Calcium  n.  (Chem.) An elementary substance; a metal which combined with oxygen forms lime. It is of a pale yellow color, tenacious, and malleable. It is a member of the alkaline earth group of elements. Atomic weight 40. Symbol Ca. Note: Calcium is widely and abundantly disseminated, as in its compounds calcium carbonate or limestone, calcium sulphate or gypsum, calcium fluoride or fluor spar, calcium phosphate or apatite.
Calcium light, an intense light produced by the incandescence of a stick or ball of lime in the flame of a combination of oxygen and hydrogen gases, or of oxygen and coal gas; called also Drummond light and lime light.






Collaborative International Dictionary of English 0.48








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"Calcium" Quotes from Famous Books



... lapis-lazuli, and the phosphate of alumina known as turquois, found only in Persia, and esteemed as an ornament. In the two supplemental table cases, 57 A and B, the visitor may notice specimens of Pyromorphite, a combination of phosphate and chloride of lead, and a combination of chloride of calcium with phosphate of lime. These combinations, however, ...
— How to See the British Museum in Four Visits • W. Blanchard Jerrold

... several hundred girls and women in New York who earn their living by dancing in the ballets of the various theatres. The Black Crook alone employs about one hundred. Those who have seen these damsels in their glory, in the full glare of the foot and calcium lights, amidst the most gorgeous surroundings, and under the influence of delicious music, may have come to the conclusion that such a life must be very pleasant. They little know the experience of a ballet girl. "It's a hard life," said one of ...
— Lights and Shadows of New York Life - or, the Sights and Sensations of the Great City • James D. McCabe

... however, a still brighter illuminant within their reach in the shape of acetylene, but not until it became certain that they would have to spend a second winter in the Antarctic, did their thoughts fly to the calcium carbide which had been provided for the hut, and which they had not previously thought of using. 'In this manner the darkness of our second winter was relieved by a light of such brilliancy that all could pursue their occupations by the single ...
— The Voyages of Captain Scott - Retold from 'The Voyage of the "Discovery"' and 'Scott's - Last Expedition' • Charles Turley

... somehow it always reminds me of a theater, one of God's own handiwork, whose dome is the blue vault of heaven, studded with its millions of stars. The silver moon just peeping over the mountain, throwing into grand relief its rugged seam-scarred sides, the calcium light; the pine trees with waving plumes, rising file on file like shrouded specters, form the stage setting; the mountain brook, on whose bosom the moon leaves a streak of molten silver, the footlights; while all ...
— Byways Around San Francisco Bay • William E. Hutchinson

... he, vulgarly. "Nothin' doin' in the complimentary line. I'm too wise to be bamboozled by a switch of hair and a newly massaged arm. Oh, I guess you'll make good in the calcium, all right, with plenty of powder and paint on and the orchestra playing 'Under the Old Apple Tree.' But don't put on your hat and chase downstairs to fly to the Little Church Around the Corner with me. I've been up against peroxide and make-up ...
— The Voice of the City • O. Henry

... antacid, magnesia; or if the case is severe and food is still in the stomach, an emetic, such as mustard or ipecac, will act more promptly. Alkalies, especially sodium salicylate, and intestinal antiseptics are useful. Calcium chloride in doses of five to twenty grains should be tried in obstinate cases. The diet should be, for the time, ...
— Essentials of Diseases of the Skin • Henry Weightman Stelwagon

... making ammonia which are, at least outside of Germany, of more importance. Most prominent of these is the cyanamid process. This requires electrical power since it starts with a product of the electrical furnace, calcium carbide, familiar to us all as a source ...
— Creative Chemistry - Descriptive of Recent Achievements in the Chemical Industries • Edwin E. Slosson

... acetic, phosphoric, chloric, hyperchloric, sulphuric, boracic, silicic, nitric, formic, nitrous nitric, and carbonic acids. Mrs. Peterkin tasted each, and said the flavor was pleasant, but not precisely that of coffee. So then he tried a little calcium, aluminum, barium, and strontium, a little clear bitumen, and a half of a third of a sixteenth of a grain of arsenic. This gave rather a pretty color; but ...
— The Peterkin Papers • Lucretia P Hale

... of light, at first almost spectral, appeared from out of the darkness some 500 yards to starboard. It grew almost instantly into a bright white flare, illuminating the surface of the black water as it moved along. The pungent smell of burning calcium floated over the sea and the drifter's engines began to ...
— Submarine Warfare of To-day • Charles W. Domville-Fife

... fate, shot up a rocket, or a star-flare of calcium light, bursting to expose all underneath in pitiless radiance. With a gasp that was a sob, Dorn shrank flat against the wall, staring into the fading circle, feeling a creep of paralysis. He must be seen. He expected the sharp, biting series of a machine-gun ...
— The Desert of Wheat • Zane Grey

... were plastered with flamboyant multi-colored show bills. The play, and nothing but the play was certainly the thing; the hapless stranger was buffetted in a maelstrom of theatrical activity. The very air reeked of calcium and grease paint. ...
— The Easiest Way - A Story of Metropolitan Life • Eugene Walter and Arthur Hornblow

... the narrow door. The paint was already blistering off it. The trouble was immediately apparent. One of the integrator chambers, in which atomic hydrogen was integrated to form atomic iron and calcium (sometimes called the Michelson effect), had sprung a leak. The heat escaping into the little room was not the comparatively negligible heat of burning hydrogen, but the cosmic energy of matter in creation. Sime slammed ...
— The Martian Cabal • Roman Frederick Starzl

... the Grand Pump Room Hotel. The spring which keeps the whole of this vast array of bathing appliances going yields three hogsheads per minute, and issues from the earth at a temperature of 117 deg. Fahr. The chief constituents of the waters are calcium sulphate, sodium sulphate, magnesium chloride, calcium carbonate, and sodium chloride, and there ...
— Somerset • G.W. Wade and J.H. Wade

... extended and improved by an American. Professor George E. Hale, formerly Director of the Yerkes Observatory, has devised an instrument for taking photographs of the sun by a single ray of the spectrum. The light emitted by calcium, the base of lime, and one of the substances most abundant in the sun, is often selected ...
— Side-lights on Astronomy and Kindred Fields of Popular Science • Simon Newcomb

... into the constitution of the earth, the most common being oxygen and silicon. By the use of the spectroscope, it has been proved that many of these elements, as for example oxygen, hydrogen, sodium and calcium, exist in the sun and stars, as well as in the most distant nebulae. Most of the elementary bodies are to be found in a gaseous form as hydrogen, oxygen, fluorine and chlorine, though it has been found possible to ...
— Aether and Gravitation • William George Hooper

... now known as "flaming arcs," the exceedingly bright and generally orange or rose-colored lights which have been introduced within the last few years, and are now so frequently seen in streets and public places. While the arcs with plain carbons are bluish-white, those with carbons containing calcium fluoride have a notable ...
— Edison, His Life and Inventions • Frank Lewis Dyer and Thomas Commerford Martin

... calcium, barium, or lead salts of these cellulose-sulphuric acids can be prepared. Analysis of them shows that these salts undergo hydrolysis, and lose half ...
— The Dyeing of Cotton Fabrics - A Practical Handbook for the Dyer and Student • Franklin Beech

... wait till science had given us in abundance a metal less than a quarter the weight of iron, but as strong and durable, and this was not until some fifty years ago when a process was discovered for producing cheaply the beautiful metal calcium. But calcium would have been little use alone. Aluminium, which is now so plentiful, had to be alloyed with it, and aluminium was not used to any great extent till the beginning of this century, when an electric process of reducing it quickly from its ore—common clay—was discovered. The metal ...
— The Dominion in 1983 • Ralph Centennius

... people in her own profession. While there was something unmistakably professional in her frank savoir-faire, "Jimmy's" was one of those faces to which the rouge never seems to stick. Her eyes were keen and gray as a windy April sky, and so far from having been seared by calcium lights, you might have fancied they had never looked on anything less bucolic than growing fields and country fairs. She wore her thick, brown hair short and parted at the side; and, rather than hinting at freakishness, this seemed admirably in keeping with her fresh, ...
— The Troll Garden and Selected Stories • Willa Cather

... the Potomac. Thus, it is clearly evident that under the conditions of this experiment the Reed variety was much more susceptible to leaf scorch and to the winter injury resulting from magnesium deficiency or unbalance between magnesium and calcium plus potassium than was the variety Potomac. Furthermore, the total score for the incidence of the disease caused by Labrella coryli on the variety Reed was 38 as compared with 9 for the Potomac variety. It would, ...
— Northern Nut Growers Association Report of the Proceedings at the Forty-Second Annual Meeting • Northern Nut Growers Association

... one than at Trollhattan in Sweden. Here the Gotha River whirls itself down 120 feet in seven cataracts. They are rapids rather than falls, but it is the immense volume of water which makes them so impressive. Every year Trolhattan grows more and more disfigured by saw-mills, carbide of calcium works, and other industrial buildings sprouting up like unsightly mushrooms along the river-banks. The last time that I was there it was almost impossible to see the falls in their entirety from any point, owing to this congestion of ...
— The Days Before Yesterday • Lord Frederick Hamilton

... stringing the old lady along, intending to produce Bud's spook as a sort of red-fire, calcium-light, grand-march-of-the-Amazons climax, but she didn't get a chance. For right there the old lady got up with a mighty set expression around her lips and marched out, muttering that it was just as she had thought all along—Bud wasn't there. And when the neighbors dropped in that ...
— The Wit and Humor of America, Volume V. (of X.) • Various

... slime and with pitch" (Exodus, ii. 3), bitumine ac pice in the Vulgate. Bitumen, or mineral pitch, was regularly applied to this purpose, even by Elizabethan seamen. Failing this, anything sticky and unctuous was used, e.g., clay or lime. Lime now means usually calcium oxide, but its original sense is anything viscous; cf. Ger. Leim, glue, and our bird-lime. The oldest example of the verb to caulk is about 1500. In Mid. English we find to lime used instead, e.g., in ...
— The Romance of Words (4th ed.) • Ernest Weekley

... sent away his boats, was reduced to a Carley float, an apparatus like an exaggerated life-buoy, with the floor of a grating. Upon contact with the water it ignited a calcium flare and he was adrift in the uncanny illumination with a German machine gun a few hundred yards away giving him its undivided attention. What saved him was possibly the fact that the defunct Intrepid still was emitting huge clouds of smoke which it had ...
— Winning a Cause - World War Stories • John Gilbert Thompson and Inez Bigwood

... 'goodbye,'" said Ruth, and she gave a little sigh. Presently, the calcium lights began to glow, as usual, and meantime though everybody was supposed to have left; still, the people came from somewhere; and at last, dismayed ...
— Four Girls at Chautauqua • Pansy

... dear friend of mine is Charles Gibson. Among the earliest and most active leaders in the Union cause in Missouri, I must not fail to mention the foremost—Frank P. Blair, Jr. His patriotism and courage were like a calcium light at the head of the Union column in the dark days and nights of the ...
— Forty-Six Years in the Army • John M. Schofield

... impossible: there were all sorts of strange sounds; and the moon, too, was so splendid that they almost felt as if they were lying beneath the radiance of a calcium light; while in the dark places, midst the branches of thick foliage, the owls hooted gloomily. If you had happened to be an owl in that vicinity, you might have heard not only the feverish tossing to and fro of the girls in the ...
— A Summer in a Canyon: A California Story • Kate Douglas Wiggin

... Those who are familiar with glass making may receive some help at this point by remembering that the various glasses are silicates, for they are made by melting sand (which is nearly pure oxide of silicon) with various metallic oxides. With lime (calcium oxide) and soda (which yields sodium oxide) we get soda-lime glass (common window glass). Lead oxide being added to the mixture a dense, very brilliant, but soft glass (flint glass) results. Cut glass dishes and "paste" gems are ...
— A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public • Frank Bertram Wade

... Republic is a colossal brazen statue of Liberty, which is to be a Pharos to light the shipping of the world into New York harbor. It will stand on Bedloe's Island, and from the torch in its uplifted hand will flash a calcium light. Only the hand and arm were finished in time to be sent to the Exposition; but these were on so gigantic a scale that a man standing in the little gallery which ringed the thumb holding the torch seemed like an ant or a fly ...
— Illustrated Science for Boys and Girls • Anonymous

... at the Camp of Chalons for artillery drills. You have seen when the shell bursts how the chalky soil of the Marne effervesces like the inkwells at school, when we used to throw a piece of calcium carbonate into them. Well, it was almost like that, but in the midst of the desert, in the midst of obscurity. The white waters rushed into the depths of the black hole, and rose and rose towards ...
— Atlantida • Pierre Benoit

... charged with calcium carbonate (the carbonate of lime), and where the limestone is magnesian they contain magnesium carbonate also. Such waters are "hard"; when used in washing, the minerals which they contain combine with the fatty ...
— The Elements of Geology • William Harmon Norton

... from each one rose a short piece of pipe that ended in a gas tip. On board the dirigible were plenty of tools and materials. Into the cans were put certain chemicals that generated a gas which, when lighted, gave a brilliant glow, almost like calcium carbide. ...
— Tom Swift in the City of Gold, or, Marvelous Adventures Underground • Victor Appleton

... to the absorption of phosphoric acid, this has been shown to be a chemical act, and depends on the formation of insoluble phosphates of calcium, iron, aluminium, and magnesium, the percentage of iron especially ...
— Manures and the principles of manuring • Charles Morton Aikman

... phosphate of the chick's bones is made by the digestion of the calcium carbonate from the shell and its combination with the phosphorus of the yolk. Certainly a remarkable and hitherto unexplained fact. The amount of lime required is not great enough, however, to materially weaken ...
— The Dollar Hen • Milo M. Hastings

... about its business. Stars shone, and planets moved around them, and double stars circled each other like waltzing couples. There were also comets and meteors and calcium-clouds and high-energy free nuclei, all of which acted as was appropriate for them. On some millions of planets winds blew and various organisms practiced photosynthesis. Waves ran across seas. Clouds formed and poured down rain. On the relatively small number of worlds so far inhabited ...
— A Matter of Importance • William Fitzgerald Jenkins

... materials that produce flourishment are carbon, hydrogen, oxygen, phosphorus, potassium, nitrogen, sulphur, calcium, iron and magnesium; protoplasm contains everything; chemists have not been able to determine and classify protoplasm. (See Chap. ...
— ABC's of Science • Charles Oliver

... convened to protest against this outrage, and a strong body of Erie troops have been sent to prevent H.G.'s advance. It is proposed, in case of attack, to illuminate the Erie Palace by means of Colonel FISK'S big diamond, which, it is estimated, would prove more powerful than a dozen calcium lights. If this should not be dazzling enough, it is suggested that a glimpse of the Colonel's $5,000 uniform might have the desired effect. Amongst the novel instruments of warfare which the contest has given birth to, is a new ball ...
— Punchinello, Vol. 1, No. 25, September 17, 1870 • Various

... slope lay the Turkish trenches—they were dark against the snow, and now and then a black figure like a devil showed for an instant and disappeared. The Turks clearly expected an infantry attack, for they were sending up calcium rockets and Very flares. The Russians were battering their line and spraying all the hinterland, not with shrapnel, but with good, solid high-explosives. The place would be as bright as day for a moment, all smothered in a scurry of ...
— Greenmantle • John Buchan

... sexes, calcium or lime salts are retained in the tissues and go to build up the bony skeleton. (A mere sketch of calcium metabolism is all that can be given here—for details consult such works as 15 and 17 in bibliography; summary in 14; pp. 34f. & 161f.) Note that puberty comes earlier in girls than ...
— Taboo and Genetics • Melvin Moses Knight, Iva Lowther Peters, and Phyllis Mary Blanchard

... of the lake. A specimen of the water, taken near the shore, was brought back to New Haven and analyzed by Dr. George S. Jamieson of the Sheffield Scientific School. He found that it contained small quantities of silica, iron phosphate, magnesium carbonate, calcium carbonate, calcium sulphate, potassium nitrate, potassium sulphate, sodium borate, sodium sulphate, and a considerable quantity of sodium chloride. Parinacochas water contains more carbonate and potassium than that of the Atlantic Ocean or the Great Salt Lake. As compared with the salinity ...
— Inca Land - Explorations in the Highlands of Peru • Hiram Bingham

... has not been completely reduced, and the vat needs a further addition of lime and copperas, which should be of good quality. Too much of each should not be used, because with them there is formed at the bottom of the vat a sediment of calcium sulphate and ferric hydrate, and it is not wise to increase this to too great an extent, which would be the case if too much lime and ...
— The Dyeing of Cotton Fabrics - A Practical Handbook for the Dyer and Student • Franklin Beech

... the air dissolved in the water and adhering to the solid substances, we first placed our flask in a bath of chloride of calcium in a large cylindrical white iron pot set over a flame. The exit tube of the flask was plunged in a test tube of Bohemian glass three-quarters full of distilled water, and also heated by a flame. We boiled the liquids in the flask and test-tube for a sufficient time to expel all the air ...
— The Harvard Classics Volume 38 - Scientific Papers (Physiology, Medicine, Surgery, Geology) • Various

... a novelist without a reference to his plots, unless indeed he discards plots as an article of faith. Mr. Blackmore has no such intention. His stories are full of adventure and dramatic situations, and his melodrama is of the lurid kind on which the calcium light is thrown. Sometimes, as in 'The Maid of Sker' and 'Cripps' they violate every probability. In others, as in 'Mary Anerley,' the mystery is childishly simple, the oft-repeated plot of a lost child recovered ...
— Library Of The World's Best Literature, Ancient And Modern, Vol. 5 • Various

... the natural food of ordinary crops are ten in number, viz.—carbon, hydrogen, oxygen, nitrogen, sulphur, phosphorus, potassium, calcium, magnesium, and iron. These are obtained from the soil and air, and unless all of them are available plants will not grow. The absence of even one of them is as disastrous as the want of all, and a deficiency of one cannot be made up by an excess of another; for example, ...
— The Culture of Vegetables and Flowers From Seeds and Roots, 16th Edition • Sutton and Sons

... used. Thus carbonate of ammonia with sulphuric acid will give sulphate of ammonia, but carbonate of ammonia with hydrochloric acid will give sal-ammoniac (chloride of ammonia). By a further treatment of these with lime, or, as it is chemically known, oxide of calcium, ammonia is set free, whilst chloride of lime (the well-known disinfectant), or sulphate of lime (gypsum, or "plaster of ...
— The Story of a Piece of Coal - What It Is, Whence It Comes, and Whither It Goes • Edward A. Martin

... balance, the poorest foliar sprays are organic. That's because it is nearly impossible to get significant quantities of phosphorus or calcium into solution using any combination of fish emulsion and seaweed or liquid kelp. The most useful possible organic foliar is 1/2 to 1 tablespoon each of fish emulsion and liquid seaweed concentrate ...
— Gardening Without Irrigation: or without much, anyway • Steve Solomon

... hundred feet below the surface. The falling water has ornamented the walls, which in this portion of the cave expose over two hundred feet of Magnesian Limestone, with unique forms of dripstone; and the steeply sloping floor has received the over-charge of calcium carbonate until it has become a shining mass of onyx, retaining pools of cold, transparent water in the depressions. In the lowest corner there is only mud, and above it rises, to a height of at ...
— Cave Regions of the Ozarks and Black Hills • Luella Agnes Owen

... very numerous they should be cut off, and the part touched with a little turps. The sulphuret of calcium will also kill them, so will the more dangerous white precipitate, or even a strong solution of carbolic acid, which ...
— Dogs and All About Them • Robert Leighton

... the top, displaying sometimes the thin membranous inner wall but at length fissured and gaping as in the more usual phase figured by authors, where the plasmodiocarp is simply compressed but not extravagantly thin. Both types occur in the western mountains, forms with and without calcium, fissured by wider or narrower cleft, from the same plasmodium; forms bilabiate and forms opening at first to display an inner peridium; forms globose with narrow base, but apex cleft, and forms ...
— The North American Slime-Moulds • Thomas H. (Thomas Huston) MacBride

... of the chamber at this place had the appearance of being carved from the rock, and decorated with the universal calcium. The floor was covered with stalagmites, rough and uneven, showing that the place had not been trod, perhaps ...
— The Wonder Island Boys: Conquest of the Savages • Roger Thompson Finlay

... preparation of oxygen, in the manufacture of matches, for pyrotechnic purposes, and in medicine. Sodium chlorate, NaClO3, is prepared by the electrolytic process; by passing chlorine into milk of lime and decomposing the calcium chlorate formed by sodium sulphate; or by the action of chlorine on sodium carbonate at low temperature (not above 35 deg. C). It is much more soluble in water than ...
— Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 - "Chitral" to "Cincinnati" • Various

... attaining a greater height than four feet, and exhibiting all the signs of old age at thirty years; in fact, they seldom live longer than that. In this case the cause is directly traceable to the excess of calcium salts in the drinking water, for although heredity plays an important part in this matter, yet children from other parts, if brought into the region at an early age, soon manifest the symptoms and speedily become Cretins ...
— The Royal Road to Health • Chas. A. Tyrrell

... substances take their places. It may be supposed, as a suggestive hypothesis, that the lowering of stellar temperature is accompanied by the formation, from simpler forms of matter, of such elements as iron, calcium, manganese, and other metals. ...
— The Story of Alchemy and the Beginnings of Chemistry • M. M. Pattison Muir

... ash. Lime which is so essential to bodybuilding is one of the minerals in milk. The following diagram from United States Food Leaflet No. 11 shows that milk is especially rich in lime. (Lime is calcium oxide.) ...
— School and Home Cooking • Carlotta C. Greer

... was formerly obtained from small steel cylinders of the highly compressed gas. This gas was made by the calcium-manganate method and represented a high degree of purity for commercial oxygen. More recently we have been using oxygen of great purity made from liquid air. Inasmuch as this oxygen is very pure and much less expensive than the chemically-prepared oxygen, extensive provisions ...
— Respiration Calorimeters for Studying the Respiratory Exchange and Energy Transformations of Man • Francis Gano Benedict

... many improvements were made for the accommodation of visitors, for whom the season is from May to September. The waters of the Source Pavilion, which are used chiefly for drinking, have a temperature of 53 deg. F. and are characterized chiefly by the presence of calcium sulphate. They are particularly efficacious in the treatment of gravel and kindred disorders, by the elimination of ...
— Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 2 - "Constantine Pavlovich" to "Convention" • Various

... involves the same processes as alter igneous rocks; but, starting from rocks of different composition, the result is of course different in some respects. Sandstones by weathering yield only a sandy soil. Limestones lose their calcium carbonate by solution, leaving only clay with fragments of quartz or chert as impurities. A foot of soil may represent the weathering of a hundred feet of limestone. Shales may weather into products more nearly like those of the ...
— The Economic Aspect of Geology • C. K. Leith

... number 35 is best for a winter moonlight scene. Good gelatines, or "mediums" as they are called, are made by the Gelatine Products Company, in Brooklyn, or may be had from Kliegl Bros., the New York Calcium Light Co., the Display Stage Lighting Co., all first-class ...
— The Art of Stage Dancing - The Story of a Beautiful and Profitable Profession • Ned Wayburn

... manufacture of guncotton, for many years was made principally with saltpeter and sulphuric acid. Modern chemists, however, made it from nitrogen of the very air we breathe, and in Germany it was made during the war from ammonia and calcium cyanamide, both of which may be obtained ...
— Kelly Miller's History of the World War for Human Rights • Kelly Miller

... who had won a hundred francs between them were jumping and dancing at his side. He remembered wondering why they did not speak in English. Then the sunlight changed to a yellow, nasty glare, as though a calcium light had been turned on the glass and colors, and he pushed his way back to his carriage, leaning heavily on the servant's arm, and drove slowly back to Paris, with the driver flecking his horses fretfully with his whip, for he had wished to wait and ...
— Gallegher and Other Stories • Richard Harding Davis

... cliffs. Hunting for the air pocket. Discovery of a cave. Exploring the cave. The water in the cave. Indication of marine animal in the water. Return to the mouth of the cave. Discovering the air pocket. The peculiar light in the cave. Calcium coating. ...
— The Wonder Island Boys: Exploring the Island • Roger Thompson Finlay

... horse of all times. "The Blue Grass region of Kentucky," says Prof. E. S. Good, head of the department of animal husbandry of the University of Kentucky, "is the premier breeding ground for light horses because of its ample rainfall, mild climate, abundance of sunshine and a soil rich in calcium and phosphorus, so necessary to produce superior bone, muscle ...
— Blue Ridge Country • Jean Thomas

... oil, some coal, bauxite, low-grade iron ore, calcium, natural asphalt, silica, mica, clays, ...
— The 2002 CIA World Factbook • US Government

... on soap is affected very considerably by the presence of certain substances dissolved in the water, particularly salts of calcium and magnesium. Caustic soda exerts a marked retarding effect on the hydrolysis, as do also ethyl and amyl ...
— The Handbook of Soap Manufacture • W. H. Simmons

... artificial diamonds and produced instead the more useful carborundum, as well as the Acheson graphite, which at once found its place in industry. Another valuable product of the electric furnace was the calcium carbide first produced in 1892 by Thomas L. Wilson of Spray, North Carolina. This calcium carbide is the basis of acetylene gas, a powerful illuminant, and it is widely used in metallurgy, for ...
— The Age of Invention - A Chronicle of Mechanical Conquest, Book, 37 in The - Chronicles of America Series • Holland Thompson

... away from the enemy's guns, and the extreme Republicans say your wound is nothing but gout and the result of high, undemocratic living. Now, my dear sir—Sire, I mean—I take a great deal of interest in this Empire. It pays me my salary, and I've had charge of the calcium lights for some time, and I don't want our lustre dimmed, but it will be dimmed unless, as I have already told you a million times, we introduce some new act on our programme. 1492 didn't succeed on its music, or its jokes, or its living pictures. It was the introduction of novelties every ...
— Mr. Bonaparte of Corsica • John Kendrick Bangs

... continuous and unbroken part of the same, which granular body, by reason of its resistance, is made incandescent, and generates all the heat required. The ore or light material to be reduced—as, for example, the hydrated oxide of aluminum, alum, chloride of sodium, oxide of calcium, or sulphate of strontium—is usually mixed with the body of granular resistance material, and is thus brought directly in contact with the heat at the points of generation, at the same time the heat is distributed through the mass of granular ...
— Scientific American Supplement, No. 508, September 26, 1885 • Various

... A part of this ethereal solution is poured into a watch-glass and allowed to evaporate. If the alkaloid is volatile, oily streaks appear on the glass; if not volatile, crystalline traces will be visible. If a volatile alkaloid, add a few pieces of calcium chloride to ethereal solution to absorb the water; draw off the ethereal solution with a pipette, allow it to evaporate, and test the residue for the alkaloids, conine ...
— Aids to Forensic Medicine and Toxicology • W. G. Aitchison Robertson

... consider is limestone, which is mainly made up of a substance known to chemists as calcium carbonate, or carbonate ...
— Scientific American Supplement, No. 447, July 26, 1884 • Various

... of the spacious breakfast-room. Through the broad windows from the south-east came the glorious shine of the morning sun to make him blink; and seated where it flooded him as a calcium was Mauburn, resplendent in his myriad freckles, trim, alive, and obviously hungry. Around his plate were cold mutton, a game pie, eggs, bacon, tarts, toast, and sodden-looking marmalade. Mauburn was eating of these with a voracity that ...
— The Spenders - A Tale of the Third Generation • Harry Leon Wilson

... hydraulicity of certain of the salts of magnesia, by which the cements set hard and quickly while wet. For accelerating the setting of cements they use carbonate of soda, alum, and carbonate of ammonia; for indurating or increasing the hardening properties of cements they use chloride of calcium, oxide of magnesia, and chloride of magnesia or bittern water; for obtaining an intense hardness they use oxychloride of magnesia. The inventors do not bind themselves to any fixed proportions, but give the following as the best within their knowledge. For colored ...
— Scientific American Supplement, No. 530, February 27, 1886 • Various

... o' me!" The prayer, curse, whatever the last words might be, were called forth by a paralyzing flash of lightning that shone over the raging sea like a gigantic calcium-light. The schooner's deck resounded with superstitious howls, which rose to awed cries from the weakest as from trucks and gaff-ends glowed and flickered the blue brush ...
— The Pirate Woman • Aylward Edward Dingle

... single calcium playing with its soft and silvery rays upon his face and shoulders. The expectant audience scarcely breathed as he began his theme. It was pity—pity molded into a concord of beautiful sounds, and when he began the second ...
— The Fifth String, The Conspirators • John Philip Sousa

... several of these "fire extinguishers" have been published, showing that they are composed essentially of an aqueous solution of one or more of the following bodies; sodium, potassium, ammonium, and calcium chlorides and sulphates, and in small amount borax and sodium acetate; while their power of extinguishing fire is but three or ...
— Scientific American Supplement, No. 643, April 28, 1888 • Various

... of a substance in hydrochloric acid into a solution of the same in acetic acid, alkali should be added in excess and then acetic acid. Many compounds are insoluble in acetic acid, which are soluble in mineral acids, such as ferric phosphate, ferric arsenate, zinc sulphide, calcium oxalate, &c., so that the use of acetic acid is valuable in some separations. The commercial acid is strong enough for most purposes, and is ...
— A Textbook of Assaying: For the Use of Those Connected with Mines. • Cornelius Beringer and John Jacob Beringer

... much more interesting to Brown, however, than anything he had ever seen in the set and artificial radiance of the calcium light. He knew well every face there, and yet, after his year's exile and in contrast to the faces at which he had been lately looking, they formed a more engrossing study than any he had known for ...
— The Brown Study • Grace S. Richmond

... matter of fact, a piece of the lid, when subjected to heat, blackens, which proves the presence of an organic glue cementing the mineral matter. The solution becomes muddy if oxalate of ammonia be added and deposits a copious white precipitate. These signs indicate calcium carbonate. I look for urate of ammonia, that constantly-recurring product of the various stages of the metamorphoses. It is not there: I find not the least trace of murexide. The lid, therefore, is composed solely of carbonate of lime and of an organic ...
— The Glow-Worm and Other Beetles • Jean Henri Fabre

... taken a flask with a rubber stopper. Through one hole in it was fitted a long funnel; through another ran a glass tube. The tube connected with a large U-shaped drying tube filled with calcium chloride, which, in turn, connected with a long open tube ...
— The Exploits of Elaine • Arthur B. Reeve

... safest type of lime to apply to trees or crops, in my estimation. Some of it is ground so fine that it looks like hydrated lime and is used for medicinal purposes. I am inclined to think that any reports you received that noted injury from the use of lime may have been due to the use of burned lime (calcium oxide) which is caustic when wet. This type of lime may be used in winter, but during the growing season, or too close to the growing season, may injure trees. I believe such injury depends entirely upon weather conditions, but it is a good thing to be on the safe side and use a lime which will ...
— Northern Nut Growers Association Thirty-Fourth Annual Report 1943 • Various

... of these cells contains granules, pigment, oil globules, and sometimes crystals of calcium oxalate. ...
— The Elements of Bacteriological Technique • John William Henry Eyre

... 93 degrees. Are these pure waters produced by condensed vapours?) How can we explain the origin of the sulphuretted hydrogen? It cannot proceed from the decomposition of sulphurets of iron, or pyritic strata. Is it owing to sulphurets of calcium, of magnesium, or other earthy metalloids, contained in the interior of our planet, under its ...
— Equinoctial Regions of America V2 • Alexander von Humboldt

... my disapproval, and now his early ill-defined fear of Mrs. Wesley was evaporated. He no longer hesitated to indulge in his war reminiscences, which necessarily brought his personal exploits under a calcium-light. These exploits usually emphasized his intimacy with some of the more dashing Southern leaders, such as Stonewall Jackson and Jeb Stuart and Mosby. We found ourselves practically conscripted in the Confederate army. We were taken on long midnight ...
— The Queen of Sheba & My Cousin the Colonel • Thomas Bailey Aldrich

... the fire line. He stepped like a calcium-lit figure over the wet, gleaming pavement, over the snaky hose, and among the rubber-sheathed, glistening firemen, gave one look at the ghastly heap on the sidewalk, and then became, like the host of raving relatives and friends and lovers, a man insane. It ...
— The Nine-Tenths • James Oppenheim

... essential to healthy human life, which are classified by physiological chemistry as the elements of organic life. In the composition of vital tissues we constantly find these basal elements: Carbon, oxygen, hydrogen, nitrogen, sulphur, phosphorus, chlorine, potassium, sodium, magnesium, calcium, iron, manganese, fluorine, silicon, and iodine. The function of these elements will ...
— Valere Aude - Dare to Be Healthy, Or, The Light of Physical Regeneration • Louis Dechmann

... said "Beelzebub." "I like the way you take it. I despise histrionics; so you will please prepare yourself for the facts without any red fire, calcium or ...
— Cabbages and Kings • O. Henry

... for example, which imparts to the blood one of its most essential qualities, occurs in relatively large amounts in apples, spinach, lettuce, potatoes, peas, carrots, and meats. Only now and then does it become advisable to add iron deliberately to the diet. Similarly lime (calcium) the material that makes the bones hard, is present in quantities ample for the needs of the body in the bread, milk, eggs and vegetables that we eat. The remaining mineral constituents of the body, among which the most conspicuous are magnesium, potassium, sulphur, and ...
— The Prospective Mother - A Handbook for Women During Pregnancy • J. Morris Slemons

... through the flame with salt, the spectrum showed the D line black; or the vapour of sodium absorbs the same light that it radiates. This proved to him the existence of sodium in the sun's atmosphere.[4] Iron, calcium, and other elements were soon detected ...
— History of Astronomy • George Forbes

... weren't mere calcium phosphate, like other beasts. An amateur chemist found out that they were an organically deposited boron carbide, which is harder than any other substance but crystallized carbon—diamond. In fact, diny teeth, being organic, seemed to be an especially hard form of boron carbide. Dinies could ...
— Attention Saint Patrick • William Fitzgerald Jenkins

... distinguished man is quite as important as the paternal, but in the present instance it is much more difficult to obtain information concerning it. The increasing fame of Hawthorne has been like a calcium-light, illuminating for the past fifty years everything to which that name attaches, and leaving the Manning family in a shadow so much the deeper. All we can learn of them now is, that they were descended from Richard Manning, of Dartmouth in Devonshire, ...
— The Life and Genius of Nathaniel Hawthorne • Frank Preston Stearns

... great physical experiment is constantly being performed for us in the sun. Every large sunspot contains a magnetic field covering many thousands of square miles, within which the spectrum lines of iron, manganese, chromium, titanium, vanadium, calcium, and other metallic vapors are so powerfully affected that their widening and splitting can be seen with telescopes ...
— The New Heavens • George Ellery Hale

... the one where the limestone is eaten out by the erosive action of the water attacking the calcium of the rock. Furthermore, he felt that he must go down nearer sea level to be assured of success, and ...
— The Wonder Island Boys: Adventures on Strange Islands • Roger Thompson Finlay

... best illumination for the magic lantern; then comes the magnesium light; but their use is a little troublesome and rather expensive; next to these in illuminating power is the oxy-hydrogen or Drummond light. The preparation of the gases and the use of the calcium ...
— Scientific American, Vol.22, No. 1, January 1, 1870 • Various

... half-past ten, the lookout in the crow's nest sang out: "Smoke—oh!" sounding upon his fish horn. The boatkeeper ran aft and lit a huge calcium flare, holding it so as to illuminate the big number on the mainsail. Suddenly, about a quarter of a mile off their weather-bow, a couple of rockets left a long trail of yellow against the night. It was the ...
— Vandover and the Brute • Frank Norris

... form water: we also know how to analyse the water, and recover from it its two constituents. So, likewise, as regards the solid portions of the earth. Our chalk hills, for example, are formed by a combination of carbon, oxygen, and calcium. These are the so-called elements the union of which, in definite proportions, has resulted in the formation of chalk. The flints within the chalk we know to be a compound of oxygen and silicium, called silica; and our ordinary clay is, for ...
— Fragments of science, V. 1-2 • John Tyndall

... was interrupted by the blare of the orchestra and the sputtering of the calcium lights in the wings as the line was called to form for a new entrance. No further opportunity for conversation occurred, but the next evening, when they were getting ready for the stage, this girl appeared anew at ...
— Sister Carrie • Theodore Dreiser

... or seventeen elements, but a pure element is very rarely found in the body, unless it be a foreign substance, such as mercury or lead. About 70 per cent of the body is oxygen, which is also the most abundant element of the earth. Then in order of their weight come carbon, hydrogen, nitrogen, calcium, phosphorus, sulphur, sodium, chlorine, fluorine, potassium, iron, magnesium ...
— Maintaining Health • R. L. Alsaker

... yaharigans you shall be—Earthly counterparts of those miserable beasts of Rikor who have for ages been bred only for the one purpose of supplying food for the Shining Ones. I knew that when I found the cavern the process of awakening the Shining Ones would require that they be carefully fed with the calcium and lime from the bones of living yaharigans, the normal food of ...
— The Cavern of the Shining Ones • Hal K. Wells

... lived twenty-four days without food, eventually making good recoveries. An analysis of the water used during their confinement showed an almost total absence of organic matter and only a slight residue of calcium salts. ...
— Anomalies and Curiosities of Medicine • George M. Gould

... him. My jealousy was awake in me. I watched him more closely than ever. His daring in the laboratory grew daily. He talked openly about matters that other men were hardly daring to dream of, and his brain seemed to expand every day like some strange plant under calcium rays. I thought what a frightful loss to science it would be if the wilder qualities of his nature got the upper hand, and I wondered how ...
— The Precipice • Elia Wilkinson Peattie

... the universe. The mystery is too impenetrable and remote for its uncertain flicker to more than make the darkness deeper. What indeed if this were not a light at all, but only part of a light—the carbon point, the fragment of calcium, the reflector in the great Lantern which contains the Light ...
— Natural Law in the Spiritual World • Henry Drummond

... Theatre, that if her appearances there were successful she might expect an invitation to membership in the White Rats.... These hypothetical instances would seem ridiculous ... but they are not. The Rodin case puts a by no means seldom-recurring phenomenon in the centre of the stage under a calcium light. The ironclad dreadnaughts of the academic world, the reactionary artists, the dry-as-dust lecturers are constantly ignoring the most vital, the most real, the most important artists while they sing polyphonic, antiphonal, Palestrinian ...
— The Merry-Go-Round • Carl Van Vechten

... Trouv in his portable lamp. It consists of two vessels, one entering the other. The internal vessel is provided at the bottom with a discharge pipe communicating, through a cock, with the gasometer. It carries a suspended open work basket containing the carbide of calcium. The bottom of this vessel is provided with an aperture through which it communicates with the external vessel containing the water. The latter is brought to a level in the two vessels and attacks the carbide. The acetylene formed is disengaged ...
— Scientific American Supplement, No. 1082, September 26, 1896 • Various

... liver-brown color, sometimes used in medicine. Fformed by fusing sulphur with carbonates of the alkalies (esp. potassium), and consists essentially of alkaline sulphides. Called also hepar sulphuris. A substance resembling hepar; in homeopathy, calcium sulphide, called ...
— Mother's Remedies - Over One Thousand Tried and Tested Remedies from Mothers - of the United States and Canada • T. J. Ritter

... elimination of phosphoric acid is increased, especially when compared with the nitrogen excreted. Pepton is sometimes found in the excretions of paralytic persons in whom there is always an increased elimination of phosphates and calcium carbonate. ...
— Criminal Man - According to the Classification of Cesare Lombroso • Gina Lombroso-Ferrero

... Marble is a compound of carbonic acid and lime. The muriatic acid being the stronger of the two, takes the place of the carbonic acid, which escapes as a gas, the residue forming muriate of lime or chloride of calcium.] ...
— The Chemical History Of A Candle • Michael Faraday

... is fused, first with the microcosmic salt bead, then put into the tube, and the flame of the blowpipe be directed into the tube upon the bead, hydrofluoric acid is disengaged and attacks the inside of the tube. The fluoride of calcium, or fluorspar, may be ...
— A System of Instruction in the Practical Use of the Blowpipe • Anonymous

... up to forty with the greatest of ease, then threw in my high speed and got seventy out of her without any trouble."—"No, I simply used a socket wrench, it answers perfectly."—"Yes, a solution of calcium chloride is very good, but of course the hydrochloric acid in it has a powerful effect on ...
— Further Foolishness • Stephen Leacock

... of lime in the soil may be hurtful, though less so in arid than in humid regions. Some authors state that from 8 to 20 per cent of calcium carbonate makes a soil unfitted for plant growth. There are, however, a great many agricultural soils covering large areas and yielding very abundant crops which contain very much larger quantities of calcium carbonate. For instance, in ...
— Dry-Farming • John A. Widtsoe

... keep his bag in good order, he must purify his oxygen by washing it with a solution of caustic soda, and then passing it through a "tower" of potash or soda in sticks, and, finally, through a calcium chloride tower. This purifying apparatus should be permanently set up on a board, so that it may be carried about by the attendant to wherever it is required. Oxygen thus purified does not seem to injure a good bag—at least during the first ...
— On Laboratory Arts • Richard Threlfall

... part camphor. In Trebouillet and De Besancele's process, 100 parts of pyroxyline are intimately mixed with from 40 to 50 parts camphor, and moulded together by strong pressure in a hot press, and afterwards dried by exposure to air, desiccated by calcium chloride or sulphuric acid. The usual method is, however, to dissolve the camphor in the least possible quantity of alcohol, and sprinkle the solution over the dry pyroxyline, which is then covered ...
— Nitro-Explosives: A Practical Treatise • P. Gerald Sanford

... violent coughing caused by the calcium fumes had ceased, a vision in white squeezed past Mr. Rothchild and came slowly down to the edge of the platform. It was Lovey Mary as Marguerite. Her long dress swept about her feet, her heavy hair hung in thick braids over both shoulders, and a burning red spot glowed on each ...
— Lovey Mary • Alice Hegan Rice

... used in various electrolytic and electro-thermal processes in the immediate neighborhood. Some of the more important consumers of the electric power, named in the order of consumption, are for the manufacture of the following products: calcium carbide, aluminium, caustic soda and bleaching salt, carborundum, ...
— Beacon Lights of History, Volume XIV • John Lord

... time that I adopted an expedient which proved of great service on several occasions. A blockade-runner did not often pass through the fleet without receiving one or more shots, but these were always preceded by the flash of a calcium light, or by a blue light; and immediately followed by two rockets thrown in the direction of the blockade-runner. The signals were probably concerted each day for the ensuing night, as they appeared to be constantly changed; but the rockets were invariably sent up. I ...
— The Narrative of a Blockade-Runner • John Wilkinson

... carbide Storage of calcium carbide Fire risks of acetylene lighting Purchase of carbide Quality and sizes of carbide Treated and scented carbide Reaction between carbide and water chemical nature heat evolved difference between heat and temperature amount ...
— Acetylene, The Principles Of Its Generation And Use • F. H. Leeds and W. J. Atkinson Butterfield



Words linked to "Calcium" :   atomic number 20, calcium-cyanamide, limestone, burnt lime, ca, fenoprofen calcium, calcium hydride, factor IV, calcium hydroxide, lime, calcium blocker, calcium phosphate, calcium carbonate, calcium chloride, calcify, fluorspar, quicklime, metallic element, fluor, calcium bicarbonate, calcium octadecanoate, calcium carbide, unslaked lime, calcium light, calcium oxide, gypsum, calcium ion, calcium hypochlorite, calcium stearate, fluxing lime, fluorite, calcined lime, calx, calcium nitrate, calcium lactate, calcium sulphate



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