Home / Standards / GB/T 42513.1-2023 GB/T 42513.1-2023 Active Methods for chemical analysis of nickel alloys—Part 1: Determination of chromium content—Potentiometric titration method with ammonium iron(II) sulfate 镍合金化学分析方法 第1部分:铬含量的测定 硫酸亚铁铵电位滴定法 Standard Type GBT ICS 77.120.40 CCS H13 Status 现行 Issue Date 2023-05-23 Implementation 2023-12-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A