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2025-08-14 18:25
1891
Lithopone B301, Lithopone B311 powder is white powder, non-toxic, odorless, insoluble in water, no reaction with H2S and lye, release H2S gas when reacting with strong acids.
Lithopone is produced by coprecipitation of barium sulfate and zinc sulfide. Most commonly coprecipitation is effected by combining equimolar amounts of zinc sulfate and barium sulfide:
≤0.6