For example,;I have found that-if titanium acid cake is first added to the zinc sulphate solution, and then the lithopone-produced in the usual manner, that theresultaht product, upon mufiing, will form bluish compounds of titanium, which discolor somewhat the final product, and this discoloration is disadvantageous.
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This may involve adding other chemicals to modify the particle size, shape, and surface characteristics This may involve adding other chemicals to modify the particle size, shape, and surface characteristics