Home / Standards / GB/T 13747.8-2017 GB/T 13747.8-2017 Active Methods for chemical analysis of zirconium and zirconium alloys—Part 8:Determination of cobalt content—Nitroso-R-salt spectrophotometry 锆及锆合金化学分析方法 第8部分:钴量的测定 亚硝基R盐分光光度法 Standard Type GBT ICS 77.120.99 CCS H63 Status 现行 Issue Date 2017-09-29 Implementation 2018-04-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A