海绵钛、钛及钛合金化学分析方法 第6部分：硼量的测定 次甲基蓝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 6:Determination of boron content—Methylene blue spectrophotometry and inductively coupled plasma atomic emission spectrometry
2019-10-18
GB/T 15076.7-2020
钽铌化学分析方法 第7部分：铌中磷量的测定 4-甲基-戊酮-[2]萃取分离磷钼蓝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 tantalum and niobium—Part 7:Determination of phospherus content in niobium—4-Formyloxy-pentyl ketone-[2] extraction separation phosphomolybdate blue spectrophotometry and inductively coupled plasma atomic emission spectrometry