GB/T 6150.3

Methods for chemical analysis of tungsten concentrates—Part 3: Determination of phosphorus content—The phosphorus molybdenum yellow spectrophotometry and inductively coupled plasma atomic emission spectrometry

钨精矿化学分析方法 第3部分：磷含量的测定 磷钼黄分光光度法和电感耦合等离子体原子发射光谱法