Cadmium White
Provided the metal be freed from iron, which we have commonly found to
be more or less present, a white of considerable beauty may be produced;
either directly by precipitation as hydrated oxide or carbonate, or
indirectly by exposing the brown anhydrous oxide to air and light--the
latter mode yielding a product of greater opacity. However prepared,
cadmium white is deficient in body, and apt to assume a yellow tint on
meeting with an impure atmosphere.
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