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Zaffer

ZAFFER, n. The residuum of cobalt, after the sulphur, arsenic and other volatile matters have been expelled by calcination; so that it is a gray or dark gray oxyd of cobalt, mixed with a portion of silex.

Webster Dictionary
English dictionary 16.3 MB

Meaning

ZAFFER, n. The residuum of cobalt, after the sulphur, arsenic and other volatile matters have been expelled by calcination; so that it is a gray or dark gray oxyd of cobalt, mixed with a portion of silex.

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