Making Cobalt Violet Pigment

Описание к видео Making Cobalt Violet Pigment

Reupload from my Tik-tok

Materials:
-Cobalt salt or cobalt metal and a suitable acid
-Phosphate salt
-Ammonia

Key hazards: Cobalt salts are a suspected carcinogen, nitric acid is corrosive and releases toxic nitrogen oxide gases

Methods: "The manufacture of mineral and lake pigments, containing directions for the manufacture of all artificial artists' and painters' colours, enamel colours, soot and metallic pigments" 1901

#science #chemistry #color #cobalt #purple #violet

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