Home / Standards / GB/T 8152.2-2006 GB/T 8152.2-2006 Active Methods for chemical analysis of lead concentrates―Determination of lead content―Back titration of EDTA after precipitation of lead sulfate 铅精矿化学分析方法 铅量的测定 硫酸铅沉淀―EDTA返滴定法 Standard Type GBT ICS 73.060 CCS D42 Status 现行 Issue Date 2006-08-24 Implementation 2007-02-01 Responsible Dept 中国有色金属工业协会 Drafting Unit 中国有色金属工业协会