Home / Standards / GB/T 13748.2-2005 GB/T 13748.2-2005 Active Chemical analysis methods of magnesium and magnesium alloys Determination of tin content Pyrocatechol violet spectrophotometric method 镁及镁合金化学分析方法 锡含量的测定 邻苯二酚紫分光光度法 Standard Type GBT ICS 77.120.20 CCS H12 Status 现行 Issue Date 2005-07-26 Implementation 2006-01-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A