Home / Standards / GB/T 5121.8-2024 GB/T 5121.8-2024 Active Methods for chemical analysis of copper and copper alloys—Part 8 : Determination of oxygen, nitrogen and hydrogen contents 铜及铜合金化学分析方法 第8部分:氧、氮、氢含量的测定 Standard Type GBT ICS 77.120.30 CCS H13 Status 现行 Issue Date 2024-04-25 Implementation 2024-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A