Strontium
Strontium ( /ˈstrɒntiəm/ STRON-tee-əm) is a chemical element with symbol Sr and atomic number 38. An alkaline earth metal, strontium is a soft silver-white or yellowish metallic element that is highly reactive chemically. The metal turns yellow when exposed to air. It occurs naturally in the minerals celestine and strontianite. While natural strontium is stable, the synthetic 90Sr isotope is present in radioactive fallout and has a half-life of 28.90 years.
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Some articles on strontium:
Strontium Sulfide - Production and Reactions
... Strontium sulfide is produced by the reduction of the sulfate above 1000 °C SrSO4 + C → SrS + 2 CO2 About 300,000 tons are processed in this way annually ... used in the production of commercially useful compounds, including the most useful strontium compound, strontium carbonate ... SrS + H2O + CO2 → SrCO3 + H2S Strontium nitrate can also be prepared in this way ...
... Strontium sulfide is produced by the reduction of the sulfate above 1000 °C SrSO4 + C → SrS + 2 CO2 About 300,000 tons are processed in this way annually ... used in the production of commercially useful compounds, including the most useful strontium compound, strontium carbonate ... SrS + H2O + CO2 → SrCO3 + H2S Strontium nitrate can also be prepared in this way ...
Strontium-90 - Industrial and Aerospace Applications - Heat Source For RTGs
... The radioactive decay of strontium-90 generates significant amount of heat (0.921 W/g) of the isotope or approximately 0.536 W/g of the compound ... in many Russian/Soviet radioisotope thermoelectric generators, usually in the form of strontium fluoride ... It was also used in the US Sentinel series of RTGs in the form of strontium titanate ...
... The radioactive decay of strontium-90 generates significant amount of heat (0.921 W/g) of the isotope or approximately 0.536 W/g of the compound ... in many Russian/Soviet radioisotope thermoelectric generators, usually in the form of strontium fluoride ... It was also used in the US Sentinel series of RTGs in the form of strontium titanate ...
Lanthanum Strontium Manganite
... Lanthanum strontium manganite (LSM or LSMO) is an oxide ceramic material with the general formula La1-xSrxMnO3, where x describes the doping level and is usually in the range of 10-20% ... crystal, the 'A' sites are occupied by lanthanum and strontium atoms, and the 'B' sites are occupied by manganese atoms ...
... Lanthanum strontium manganite (LSM or LSMO) is an oxide ceramic material with the general formula La1-xSrxMnO3, where x describes the doping level and is usually in the range of 10-20% ... crystal, the 'A' sites are occupied by lanthanum and strontium atoms, and the 'B' sites are occupied by manganese atoms ...
Strontium Iodide
... Strontium iodide (SrI2) is a salt of strontium and iodine ... It is an ionic, water-soluble, and deliquescent compound that can be used in medicine as a substitute for potassium iodide ...
... Strontium iodide (SrI2) is a salt of strontium and iodine ... It is an ionic, water-soluble, and deliquescent compound that can be used in medicine as a substitute for potassium iodide ...
Strontium - Effect On The Human Body
... The human body absorbs strontium as if it were calcium ... Due to the chemical similarity of the elements, the stable forms of strontium might not pose a significant health threat — in fact, the levels found naturally may actually be beneficial ... The strontium unit is used in measuring radioactivity from absorbed 90Sr ...
... The human body absorbs strontium as if it were calcium ... Due to the chemical similarity of the elements, the stable forms of strontium might not pose a significant health threat — in fact, the levels found naturally may actually be beneficial ... The strontium unit is used in measuring radioactivity from absorbed 90Sr ...
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