GB/T 1871.1-1995 标准详情
GB/T 1871.1-1995
现行
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
Phosphate rock and concentrate--Determination of phosphrous pentoxide content--Quinoline phosphomolybdate gravimetric and volumetric methods