The tungstateion is WO42-. An ion is an atom or group of atoms with a net electric charge. ...
A tungstate (compound) is a compound containing the tungstate ion, or more complicated polymeric ions. A polymer is a generic term used to describe a substantially long molecule. ...
See category for a list.
Tungstates are salts of tungstic acid. Tungstic acid refers to hydrated forms of tungsten trioxide. ...
Unlike chromate, tungstate is not a good oxidizer. A Sample of Ammonium Dichromate Chromates and Dichromates are salts of chromic acid and dichromic acid, respectively. ... The most fundamental reactions in chemistry are the redox processes. ...
A crystalline form was obtained by Debray as olive-green prisms by igniting a mixture of sodium tungstate and carbonate in a current of hydrochloric acid gas, and by Nordenskjold by heating hydrated tungstic acid with borax.
This salt is obtained by roasting wolfram with sodium carbonate, lixiviating, neutralizing the boiling filtrate with hydrochloric acid and crystallizing at ordinary temperatures.
The sodium compound was first obtained by Wohler on reducing sodium tungstate with hydrogen; coal-gas, zinc, iron or tin also effect the reduction.
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