Home / Standards / GB/T 1871.1-1995 GB/T 1871.1-1995 Active Phosphate rock and concentrate--Determination of phosphrous pentoxide content--Quinoline phosphomolybdate gravimetric and volumetric methods 磷矿石和磷精矿中五氧化二磷含量的测定 磷钼酸喹啉重量法和容量法 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