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Dipotassium wolframate

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Dipotassium wolframate

Molecular formula: K2O4W CAS# 7790-60-5
Categories: Inorganic salt
Dipotassium tetraoxotungstate
Dipotassium tetraoxotungstate(2-)
Dipotassium wolframate
Potassium tungstate (K2WO4)
Potassium tungstate(VI)
Potassiumtungstate(VI) (K2WO4) (6CI,7CI)
Potassiumtungsten oxide (K2WO4)
Tungstate (WO42-), dipotassium, (T-4)- (9CI)
Tungstic acid (H2WO4), dipotassium salt (8CI)

Variants of the formula:

Elemental composition
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Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Dipotassium wolframate is involved

  • W + 6K3[Fe(CN)6] + 8KOH → 6K4[Fe(CN)6] + K2WO4 + 4H2O
  • WO3 + 2KOH -> K2WO4 + H2O
  • WO3 + K2CO3 -> K2WO4 + CO2
  • H2SO4 + {M}2WO4 -> H2WO4 + {M}2SO4 , where M = K Na Li Rb
  • WCl6 + 8{M}OH -> {M}2WO4 + 6{M}Cl + 4H2O , where M = Na K Li Rb Cs