Home / Standards / GB/T 13747.23-1992 GB/T 13747.23-1992 Active Zirconium and zirconium alloys--Determination of nitrogen content--Distillation-Nessler reagent spectrophotometric method 锆及锆合金化学分析方法 蒸馏分离-奈斯勒试剂分光光度法测定氮量 Standard Type GBT ICS 77.120.70 CCS H14 Status 现行 Issue Date 1992-11-05 Implementation 1993-06-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A