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Scrap zinc or concentrated zinc ores are dissolved in sulfuric acid, the solution is purified, and the two solutions are reacted. A heavy mixed precipitate results that is 28 to 30% zinc sulfide and 72 to 70% barium sulfate.
See also
The Evolution and Impact of Pigment Lithopone Factories
Water solubles, %
Free Sample TiO2 DongFang R5566 Titanium Dioxide
