Home / Standards / GB/T 5121.29-2015 GB/T 5121.29-2015 Active Methods for chemical analysis of copper and copper alloys—Part 29: Determination of aluminium oxide content 铜及铜合金化学分析方法 第29部分:三氧化二铝含量的测定 Standard Type GBT ICS 77.120.30 CCS H13 Status 现行 Issue Date 2015-09-11 Implementation 2016-04-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A