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
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
2023-11-27
GB/T 13747.18-2022
锆及锆合金化学分析方法 第18部分：钒含量的测定 苯甲酰苯基羟胺分光光度法和电感耦合等离子体原子发射光谱法
Methods for chemical analysis of zirconium and zirconium alloys—Part 18：Determination of vanadium content—N-benzoyl-N-phenyl hydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry
2022-10-12
GB/T 13747.10-2022
锆及锆合金化学分析方法 第10部分：钨含量的测定 硫氰酸盐分光光度法和电感耦合等离子体原子发射光谱法
Methods for chemical analysis of zirconium and zirconium alloys—Part 10：Determination of tungsten content—Thiocyanate spectrophotometry and inductively coupled plasma atomic emission spectrometry
2022-10-12
GB/T 4698.23-2017
海绵钛、钛及钛合金化学分析方法 第23部分：钯量的测定 氯化亚锡-碘化钾分光光度法和电感耦合等离子体原子发射光谱法
Methods for chemical analysis of titanium sponge，titanium and titanium alloys—Part 23：Determination of palladium content—Stannous choride-potassium iodide spectrophotometry and inductively coupled plasma atomic emission spectrometry