Source

Animal Charcoal, called "bone black," is obtained by exposing bones to a red heat, protected from the air. It consists of charcoal, phosphate and carbonate of lime.

Purified Animal Charcoal

Carbo Animalis Purificatus - is obtained by digesting bone-black in hydrochloric acid and water to a moderate heat, when it is dried and heated to redness in a covered crucible.

Properties And Action

Animal charcoal is an absorbent, and is used to counteract the effects of poisonous agents, such as the alkaloids and acids.

Dose

Of animal charcoal as an absorbent, 3ss, to neutralize the effects of each grain of such agents as strychnia and morphia.