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Antimony Processing Powdered

university of utah,even lead, barium, and antimony may be retrieved when ammunition primers were presumably lead free, because of contamination by previous firing with lead-based primers. (vachon and martinez, 2019) organic gsr primarily comes from materials derived from the propellant powder and are compounds classified either as explosives or additives based on.cyanide leaching of gold,arsenic and antimony do present a larger problem, by reacting with the cyanide and using up all of the excess oxygen, leaving little or no oxygen to effect the dissolution of gold. one is the merrill-crowe zinc precipitation process and the other is the adsorption of the gold onto activated carbon. then mixing a fine zinc powder with it.

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