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Fire Assay Metallurgy Page - Website 2.j

FIRE ASSAY

Fire assaying is a fusion process used to determine the concentration of metal in ore by placing samples and a combination of fluxes into a high temperature furnace. When heated metal content is separated from sample compounds and used to gauge the recovery of precious metals.  

Fire and Metallic Fire Assay are typically performed for Au and Ag and may take longer to complete than instrumental testing, but assay determination provides extremely accurate results.

FIRE ASSAY TESTING

FA-AuAg-Grav
FA-AuAg-AA
FA-AuAg-Grav50
FA-AuAg-AA50

Gold and silver analysis by fire assay - gravimetric finish, 30 g
Gold and silver analysis by fire assay - AA determination, 30 g
Gold and silver analysis by fire assay - gravimetric finish, 50 g
Gold and silver analysis by fire assay - AA determination, 50 g  

METALLIC FIRE ASSAY

Metallic Fire Assay

Gold and silver analysis. 1 kg screen charge milled to 80% passing 200 mesh Complete fire of +200 mesh, duplicate split of -200 mesh

 
 
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