ACGIH: TWA 3 mg/m3 NIOSH: TWA 5 mg/m3; TWA 1 mg/m3; STEL 10 mg/m3; STEL 3 mg/m3
Description
Ammonium tungsten oxide pentahydrate is used as a source for the preparation of pure tungsten oxide, carbide, tungsten metal powder, and also as laboratory reagent. It is also used in the area of absorbent gels, catalyst industry and coloring agent in the porcelain industry.