What does animal black mean?

animal black meaning in General Dictionary

black substance containing char in the shape of carbonized bone; made use of as a black pigment

Sentence Examples with the word animal black

The crude phosphorus is purified by melting under water and then filtering through animal black and afterwards through chamois leather, or by treating it, when molten, with chromic acid or a mixture of potassium bichromate and sulphuric acid; this causes the impurities to rise to the surface as a scum which can be skimmed off.

View more Sentence Examples