Home / Standards / GB/T 8152.6-2025 GB/T 8152.6-2025 Active Methods for chemical analysis of lead concentrates—Part 6:Determination of bismuth content 铅精矿化学分析方法 第6部分:铋含量的测定 Standard Type GBT ICS 77.120.60 CCS H13 Status 现行 Issue Date 2025-03-28 Implementation 2025-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A