1.1 This standard practice covers the determination of fire assay correction for silver, utilizing proof silver, for ores, concentrates and related metallurgical materials.1.2 This standard does not purport to address all of the safety concer
ASTM
Standard Practice for Proof Silver Corrections in Metal Bearing Ores, Concentrates and Related Materials by Fire Assay Gravimetry
STD-49928
2003
2008-11-01
2