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Strontium Metal (Sr)-Granules

Strontium Metal (Sr)-Granules

CAS: 7440-24-6
Molecular Formula: Sr
Purity: 99.8 %-99.95%
Products Code: 3700GN
Specification Model: 3 mm - 6 mm.etc
Hazardous Class: Class4.1
EINECS No.: 231-133-4
UN No.: UN3208
Package Class: PG II
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Strontium Metal (Sr)-Granules introduce:


Strontium is a chemical element with chemical symbol Sr and atomic number 38, belongs to the 2A group of the periodic table, is a silver and shiny alkaline earth metal.Strontium is the least abundant element in alkaline earth metals.In nature, it mainly exists in combination. The main ores are lapis lazuli and strontium.

Phase at STP:solid

Appearance:silvery white metallic; with a pale yellow tint

Melting point:1050 K (777 °C, 1431 °F)

Boiling point:1650 K (1377 °C, 2511 °F)

Density (near r.t.):2.64 g/cm3

when liquid (at m.p.):2.375 g/cm3

Heat of fusion:7.43 kJ/mol

Heat of vaporization:141 kJ/mol

Molar heat capacity:26.4 J/(mol·K)


Strontium is used in alloys, photocells, and lighting.Its compounds are used to make flares, fireworks, etc.

Strontium-90 can be used as a source of radioactive rays, which is quite harmful to the human body. With a half-life of 25 years, it is produced by uranium in nuclear tests and inhaled by the human body in the form of dust, causing radioactive damage to the human body.

Strontium-87 has some applications in medicine.Radioactive strontium-87m is introduced into the body of the patient. After bone absorption, the position of the radioactive strontium-87m in the human skeleton can be determined by a radiation detector and abnormal conditions in the human body can be determined.Strontium-87m has a half-life of only 2.8 hours and is discharged from the body very quickly, so the amount of radiation to which the body is exposed is very small.
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