Home / Standards / GB/T 1871.2-1995 GB/T 1871.2-1995 Active Phosphate rock and concentrate--Determination of iron oxide content--Volumetric and spectrophotometric methods 磷矿石和磷精矿中氧化铁含量的测定 容量法和分光光度法 Standard Type GBT ICS 73.080 CCS D51 Status 现行 Issue Date 1995-12-20 Implementation 1996-08-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A