Toch, Maximilian, 1864-1946, Toch, Maximilian, 1864-1946. Chemistry and technology of mixed paints · New York : D. Van Nostrand · leaf 116
ination of both of these white pigments. This addition is not considered an adulteration, as was the case a few years ago, for it is now appreciated that the addition of barytes makes a white pigment more permanent, less likely to be attacked by acids, and freer from discoloration than when white… … No. 40. Barytes, irregular, broken crys- that can be mixed with tals— Photomicrograph X300. colored pigments without injuring them is remarkably large. There are hundreds of brands of para-red paints made and consumed every year by the agricultural implement trade which contain as high as 90 per…
Paint · Pigments
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