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Topic: Strontium nitride

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Strontium

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	Strontium (Sr) - Chemical properties, Health and Environmental effects
		Principal uses of strontium compounds are in pyrotechnics, for the brilliant reds in fireworks and warning flares and in greases.
		Strontium concentrations in soil may also be increased by human activities, such as the disposal of coal ash and incinerator ash, and industrial wastes.
		One of the isotopes of strontium is radioactive.
	www.lenntech.com /Periodic-chart-elements/Sr-en.htm (0 words)

	atomic weight 87.62 ST... - Online Information article about atomic weight 87.62 ST...
		The anhydrous chloride is formed by heating strontium or its monoxide in chlorine, or by heating the hydrated chloride in a current of hydrochloric acid gas.
		Strontium nitrate, Sr(NOa)2, is obtained by dissolving the carbonate in dilute nitric acid.
		Strontium carbonate, SrCO3, found in the mineral kingdom as sttontianite, is formed when a solution of a carbonate is added to one of a strontium salt.
	encyclopedia.jrank.org /STE_SUS/STRONTIUM_Symbol_Sr_atomic_weig.html (1225 words)

	Strontium - LoveToKnow 1911
		Strontium chloride, SrC1 2.6H 2 O, is obtained by dissolving the carbonate in hydrochloric acid, or by fusing the carbonate with calcium chloride and extracting the melt with water.
		Strontium nitride, Sr 3 N 2, is formed when strontium amalgam is heated to redness in a stream of nitrogen or by igniting the oxide with magnesium (H. Ellis, Chem.
		Strontium salts may be recognized by the characteristic crimson colour they impart to the flame of the Bunsen burner and by the precipitation of the insoluble sulphate.
	www.1911encyclopedia.org /Strontium (999 words)

	Strontium
		Strontium is a chemical element in the periodic table that has the symbol Sr and the atomic number 38.
		Strontium is a bright silvery metal that is softer than calcium and even more reactive in water; strontium will decompose on contact to produce strontium hydroxide[?] and hydrogen gas.
		Strontium titanate[?] has an extremely high refractive index and an optical dispersion greater than that of diamond, making it useful in a variety of interesting optics applications.
	www.ebroadcast.com.au /lookup/encyclopedia/st/Strontium.html (808 words)

	Strontium Minerals,Strontium Properties,Strontium Information,Strontium Applications,Strontium Exporters
		Strontium is an alkaline earth metal of soft silver-white or yellowish metallic element which is highly reactive, chemically.
		The stable form of strontium is not a threat to the health of human body, but the radioactive strontium-90 leads to various bone disorders and diseases, even to the extent of bone cancer.
		Strontium units are used in measuring radioactivity from the absorbed strontium-90.
	www.mineralszone.com /minerals/strontium.html (472 words)

	Strontium Information Center - strontium 90
		Strontium is a chemical element strontium dihydrogen phosphate in the periodic table that has the symbol Sr and the atomic number 38.
		Strontium atomic emission spectrum of strontium is a bright silvery metal that is softer than calcium and barium strontium titanate + thermal even strontium symbol more reactive in water; strontium will decompose on contact to produce strontium hydroxide and hydrogen gas.
		Alternatively history of strontium it is made by reducing strontium oxide strontium chromate in paint with aluminium in a vacuum at a temperature at which strontium distills off.
	www.scipeeps.com /Sci-Chemistry_Topics_S/Strontium.html (1246 words)

	Strontium (Site not responding. Last check: )
		Strontium titanate has been used as a gemstone but is very soft and so easily so it is not common in role.
		Strontium commonly occurs in nature averaging 0.034% all igneous rock and is found chiefly the form of the sulfate mineral celestite (Sr) and the carbonate strontianite (Sr Of the two celestite occurs much frequently in sedimentary deposits of sufficient size make development of mining facilities attractive.
		The strontium unit is used in measuring radioactivity from strontium-90.
	www.freeglossary.com /Strontium (915 words)

	strontium
		Strontium titanate is an interesting optical material as it has an extremely high refractive index and an optical dispersion greater than that of diamond.
		Natural strontium is a mixture of four isotopes; twelve other unstable isotopes are known to exist Alkaline earth metal; valence of 2; Isotopes: 88 (82.56%), 86 (9.86%), 87 (7.02%), 84 (0.56%); Heated metal combines with hydrogen to form strontium hydride and with nitrogen to form strontium nitride.
		Strontium occurs in nature in celestite (strontium sulfate) use strontianite (strontium carbonate).
	www.speclab.com /elements/strontium.htm (0 words)

	Strontium
		Strontium is a bright silvery metal that is softer than calcium and even more reactive in water, which strontium decomposes on contact with to produce strontium hydroxide and hydrogen gas.
		Because of its chemical similarity to calcium, strontium can replace calcium to some extent in various biochemical processes in the body, including replacing a small proportion of the calcium in hydroxyapatite crystals of calcified tissues such as bones and teeth.
		Virtually all remaining strontium is deposited in bones and bone marrow, with the remaining 1% remaining in blood and soft tissues.
	www.lycos.com /info/strontium--environment.html?page=2 (0 words)

	Strontium Osteo Complex by Nutricology (180 Chewable Tablets) - S - Strontium - Health & Personal Care Store
		Strontium is a naturally occurring mineral present in water and food.
		Strontium has an affinity for bone and is taken up at the bone matrix crystal surface.
		Strontium citrate supplies strontium that is safe and suitable for consumption as a dietary supplement.
	www.grandhealth1.com /nutrition-fitness/vitamins-supplements/a-z/s/strontium (426 words)

	Strontium
		Strontium is a bright silvery metal that is softer than calcium and even more reactive in water, which strontium decomposes on contact with to produce strontium hydroxide and hydrogen gas.
		It should be kept under kerosene to prevent oxidation; freshly exposed strontium metal rapidly turns a yellowish color with the formation of the oxide.
		Virtually all remaining strontium is deposited in bones and bone marrow, with the remaining 1% remaining in blood and soft tissues.
	lycos.cs.cmu.edu /info/strontium--miscellaneous.html (487 words)

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