标准号:IS 8858-1978
发布日期:1978/12/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard prescribes spectrographic method for the determination of metallic impurities for grades 9999 and 999 silver as specified in IS : 5320-1969*. However, the methods do not cover Pt, Pd, Se and Te for grade 9999.