GB/T 4698.4-2017

Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 4：Determination of manganese content—Potassium periodate spectrophotometry and inductively coupled plasma atomic emission spectrometry

海绵钛、钛及钛合金化学分析方法 第4部分：锰量的测定 高碘酸盐分光光度法和电感耦合等离子体原子发射光谱法