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Calcium tungstate

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Calcium tungstate Basic information
Calcium tungstate Chemical Properties
  • Melting point:1620°C
  • Density 6.06 g/mL at 25 °C(lit.)
  • storage temp. -20°C
  • solubility Insoluble in H{2}O. Decomposes by hot HCl, HNO{3}
  • form Powder
  • Specific Gravity6.062
  • color white
  • Water Solubility insoluble H2O; decomposed by hot HCl, HNO3 [MER06]
  • Merck 14,1712
  • Solubility Product Constant (Ksp)pKsp: 8.06
  • CAS DataBase Reference7790-75-2(CAS DataBase Reference)
  • EPA Substance Registry SystemCalcium tungsten oxide (CaWO4) (7790-75-2)
Safety Information
  • WGK Germany 3
  • TSCA Yes
  • HS Code 28418030
MSDS
Calcium tungstate Usage And Synthesis
  • Chemical Properties-325 mesh, 10μm or less 99.9% pure; occurs in nature as mineral scheelite; white tetr powder(s), a=0.524 nm, c=1.138 nm; can be prepared by heating tungstic acid and CaO or CaCO3; used in tumor treatment and in luminous paint [KIR83] [STR93] [MER06]
  • UsesCalcium tungstate can be ued for preparing screens for x-ray observations and photographs; in luminous paints; in scintillation counters.
Calcium tungstate Preparation Products And Raw materials
Calcium tungstate(7790-75-2)Related Product Information
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