Home / Standards / GB/T 16574-1996 GB/T 16574-1996 Active Pyrites and concentrate--Determination of silicon content--Gravimetric method 硫铁矿和硫精矿中硅含量的测定 重量法 Standard Type GBT ICS 73.060.01 CCS D51 Status 现行 Issue Date 1996-10-25 Implementation 1997-05-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A