铜铬锆合金化学分析方法 过硫酸铵氧化容量法测定铬
Methods for chemical analysis of copper-chromium-zirconium alloys.The determination of chromium by persulfate oxidation volumetric method
1999-08-06
HB 5220.15-2008
高温合金化学分析方法 第15部分:过硫酸铵氧化-亚铁容量法测定铬含量
Methods for chemical analysis of superalloys-Part 15:Determination of chromium content by ammonium persulfate oxidation-ammonium iron (Ⅱ) volumetric method