STRONTIUM CAS 7440-24-6
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Chemical Name: STRONTIUM
CAS No.: 7440-24-6
Molecular Formula: Sr
Molecular weight: 87.62
Sample: Available
STRONTIUM: The Complete Guide
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What is STRONTIUM?
With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is STRONTIUMwhich has developed particularly rapidly in recent years. Do you know about STRONTIUM?
The official answer: (Strontium) is a chemical element, the element symbol is Sr, was found in 1791-1792, when the British chemist and doctor Hope studied ore, he affirmed that it contained a new soil, and named it strontia (strontia) from its place of origin.
Strontium is a silvery-white alkaline earth metal with a yellow luster. It is the second most abundant element in alkaline earth metals, after beryllium. The elemental can be prepared by molten strontium chloride. Strontium is present in soil and seawater, and is a trace element that has the function of preventing arteriosclerosis and preventing thrombosis. Used in the manufacture of alloys, photocells, pyrotechnics, chemical reagents, etc. Isotope 90 strontium is radioactive, has a half-life of 28.1 years, and can be used as a β radiation source.
What’s the application of STRONTIUM?
Strontium is the second least abundant element in alkaline earth metals. In nature, it exists in a chemotactic state, and the main ores are lapis lazuli (SrSO4) and strontium (SrCO3).
Whether in the manufacturing process of reducing SrS with carbon and then reacting to it or soda processing, lapis lazul is the starting material for the manufacture of SrCO3, since strontium carbonate can make other Sr compounds, Zn (clear Pb and Cd) for the manufacture of ceramic permanent magnets, used in the manufacture of TV fluorescent screens, it is the most important Sr compound. Sr(NO3)2 is used for pyrotechnic devices, SrO is used for the smelting of aluminum, and Sr, SrCl2 is used to repair teeth. Sr(OH)2 has long been used for the purification of grinding stone.
Strontium metal is used in the manufacture of alloys, photocells, and lamps. Its compounds are used to make signal flares, fireworks, etc.
Strontium-90 can be used as a radioactive source of β rays, which has considerable harm to the human body, with a half-life of 25 years, it is produced by uranium in nuclear tests, and is inhaled by the human body in the form of dust, causing radioactive damage to the human body.
Strontium-87m has certain applications in medicine because it releases γ rays. Strontium-87m is introduced into the patient’s body, and after the bone is absorbed, its position in the human bone can be determined by a radiation detector and the abnormal situation in the human body can be determined. Although the half-life of strontium-87m is only 2.8 hours, it is excreted from the human body, so the amount of radiation received by the human body is very small.
Chinese Strontium Atomic Light Clock: Compared with current cesium atomic clocks, Chinese strontium atomic light clocks have the potential to achieve higher accuracy and are recognized as the next generation time frequency reference. Replacing the current cesium atomic fountain clock with a light clock to redefine the second could improve the positioning accuracy of satellite navigation systems.
Conclusion
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