Home / Standards / GB/T 8152.6-1987 GB/T 8152.6-1987 Abolished Methods for chemical analysis of lead concentrates--The polarographic method for the determination of bismuth content 铅精矿化学分析方法 极谱法测定铋量 Standard Type GBT ICS 73.060 CCS D41 Status 废止 Issue Date 1987-08-10 Implementation 1988-06-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A