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Strontium iodide (SrI2)-Beads

Strontium iodide (SrI2)-Beads

CAS: 10476-86-5
Molecular Formula: SrI2
Purity: 99.99%
Products Code: TR385300BD
Specification Model: - 10 mesh
EINECS No.: 233-972-1
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Strontium iodide (SrI2)-Beads introduce:


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 .

Chemical formula:SrI2 (anhydrous)

                                 SrI2·6H2O (hexahydrate)

Molar mass:341.43 g/mol (anhydrous)

Appearance:Colorless to white crystalline plates

Density:4.55 g/cm3 (anhydrous)

                4.40 g/cm3 (hexahydrate)

Melting point:507 to 645 °C (945 to 1,193 °F; 780 to 918 K)

Boiling point:1,773 °C (3,223 °F; 2,046 K) (decomposes)

Solubility in water:177.0 g/100 mL (20 °C)

Solubility in ethanol:3.1 g/100 ml (4 °C) 

Magnetic susceptibility (χ):−112.0·10−6 cm3/mol

Crystal structure:Orthorhombic, oP24


It is also used as a scintillation gamma radiation detector, typically doped with europium, due to its optical clarity, relatively high density, high effective atomic number (Z=48), and high scintillation light yield. In recent years, europium-doped strontium iodide (SrI2:Eu2+) has emerged as a promising scintillation material for gamma-ray spectroscopy with extremely high light yield and proportional response, exceeding that of the widely used high performance commercial scintillator LaBr3:Ce3+.
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