This section is from the book "Materia Medica And Therapeutics Inorganic Substances", by Charles D. F. Phillips. Also available from Amazon: Materia medica and therapeutics.
This metal occurs pure, but more often in alloy, as with lead (galena), or combined with sulphur (argentite), chlorine (horn silver), and with iodine, bromine, etc.
Refined silver is placed in the Pharmacopoeia as a source of the nitrate, but is otherwise used only in the form of silver-leaf as a coating for pills: its officinal compounds are the nitrate and the oxide.
 
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