Home / Standards / GB/T 15076.12-2008 GB/T 15076.12-2008 Active Methods for chemical analysis of tantalum and niobium - Determination of phosphorus content in tantalum 钽铌化学分析方法 钽中磷量的测定 Standard Type GBT ICS 77.120.99 CCS H14 Status 现行 Issue Date 2008-03-31 Implementation 2008-09-01 Responsible Dept 中国有色金属工业协会 Drafting Unit 中国有色金属工业协会