Principle and operation technology of removing silicon,phosphorous and arsenic from sodium wolframate is presented.
阐述了钨酸钠溶液中除硅、磷、砷的原理,并提出了具体的操作工艺。
英语百科
Sodium tungstate
Sodium tungstate is the inorganic compound with the formula Na2WO4. This white, water-soluble solid is the sodium salt of tungstic acid. It is useful as a source of tungsten for chemical synthesis. It is an intermediate in the conversion of tungsten ores to the metal.