Atomistry » Tungsten » Compounds » 17:2-Tungstophosphates
Atomistry »
  Tungsten »
    Compounds »
      17:2-Tungstophosphates »


17:2-Tungstophosphates, (P2O5:WO3 = 1:17) - By carefully neutralising a solution of 9-tungstophosphoric acid, or by treating a solution of an alkali 9-tungstophosphate with the corresponding alkali hydrogen carbonate, salts of this series are obtained. The potassium salt, 5K2O.P2O5.17WO3.22H2O, yields white satiny needles. The ammonium salt, 5(NH4)2O.P2O5.17WO3.16H2O, forms tabular crystals. A silver salt, of composition 5Ag2O.P2O5.17WO3.20H2O, is obtained in small tabular crystals by double decomposition. The constitution of these salts is not yet determined.

Other series containing less tungstic acid have also been described; for example, 6-tungstophosphoric acid and its salts, 2R2O.P2O5.12WO3.xH2O, and 7:2-tungstophosphates, 3R2O.P2O5.7WO3.xH2O. The work on these series is, however, inconclusive.

Last articles

Zn in 7VD8
Zn in 7V1R
Zn in 7V1Q
Zn in 7VPF
Zn in 7T85
Zn in 7T5F
Zn in 7NF9
Zn in 7M4M
Zn in 7M4O
Zn in 7M4N
© Copyright 2008-2020 by
Home   |    Site Map   |    Copyright   |    Contact us   |    Privacy