Home / Standards / GB/T 20931.7-2007 GB/T 20931.7-2007 Active Methods for chemical analysis of lithium - Determination of nickel content - α-Furil dioxime spectrophotometric method 锂化学分析方法 镍量的测定 α-联呋喃甲酰二肟萃取光度法 Standard Type GBT ICS 77.120.99 CCS H14 Status 现行 Issue Date 2007-04-30 Implementation 2007-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A