This section is from the book "Dental Medicine. A Manual Of Dental Materia Medica And Therapeutics", by Ferdinand J. S. Gorgas. Also available from Amazon: Dental Medicine.
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.
Of animal charcoal as an absorbent, 3ss, to neutralize the effects of each grain of such agents as strychnia and morphia.