Home / Standards / GB/T 13747.12-2019 GB/T 13747.12-2019 Active Methods for chemical analysis of zirconium and zirconium alloys—Part 12:Determination of silicon content—Molybdenum blue spectrophotometry 锆及锆合金化学分析方法 第12部分:硅量的测定 钼蓝分光光度法 Standard Type GBT ICS 77.120.99 CCS H14 Status 现行 Issue Date 2019-12-31 Implementation 2020-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A