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Cobalt compounds applied in Ceramics

Data:2013-12-30 10:12hit:132

cobalt compounds are used in ceramics, glaziery, smalt and enamels, in the production The compound used in the production of smalts is the Co3O4, used for example in enameling over iron and steel. In ceramics and paintings, these compounds are particularly useful for preparing pigments.

The cobalt compound are also used in the preparation of "invisible ink" made of a roseous solution of cobalt chloride, which turns into a blue visible ink when heated. This compound is also used in some hygrometers. It turns to blue and pink by action of the atmospheric humidity.