Experimental
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2025-08-15 02:02
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The reaction liquid is filtered through plate and frame pressure to obtain lithopone in the form of a filter cake with a moisture content of no more than 45%. It is then roasted in a drying furnace to change the crystal form of lithopone, and is then pickled with sulfuric acid at a temperature of 80°C. Finally, it is washed with water, reinforced with colorants, filtered, dried and ground into powder.
I don't see the scientific evidence in the literature that would cause people any concern, said Kaminski.
A European ban of titanium dioxide in food took effect in 2022, but it is still legal for use in food in the U.S.