Strontium sulfate (SrSO4)- Crystalline introduce:
Strontium sulfate (SrSO4) is the sulfate salt of strontium. It is a white crystalline powder and occurs in nature as the mineral celestine. It is poorly soluble in water to the extent of 1 part in 8,800. It is more soluble in dilute HCl and nitric acid and appreciably soluble in alkali chloride solutions (e.g. sodium chloride).
Molar mass: 183.68 g/mol
Appearance :white orthorhombic crystals
Density: 3.96 g/cm3
Melting point: 1,606 °C (2,923 °F; 1,879 K)
Solubility in water:0.0135 g/100 mL (25 °C);0.014 g/100 mL (30 °C)
Solubility product (Ksp):3.44 x 10−7
Solubility: insoluble in ethanol, alkalis;slightly soluble in acids
Magnetic susceptibility (χ):−57.9·10−6 cm3/mol
Refractive index (nD):1.622
Strontium sulfate is used as a precursor to other strontium compounds and as ceramic precursor. Its application in nitrate for use in pyrotechnics. Used as a fining agent in crystal glass. It is also used in powder coating, liquid paints and plastics.
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