The Materia Medica of the Hindus, compiled from Sanskrit Medical Works c4.s4.31
The Materia Medica of the Hindus, compiled from Sanskrit Medical Works c4.s4.31
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c4.s4.31
Metals and metallic compounds are reduced to powder by various processes. The operation is called *márana*, which literally means killing or destruction of metallic character but practically a reduction to powder, either in the metallic state, or after conversion into an oxide or a sulphide. Various processes for the calcination of different metals are described in Sanskrit works on the subject. I will not burden these pages with a detailed account of these but shall only describe modes of preparation followed at the present day.