Home / Standards / GB/T 20975.33-2020 GB/T 20975.33-2020 Active Methods for chemical analysis of aluminium and aluminium alloys—Part 33:Determination of potassium content—Flame atomic absorption spectrometric method 铝及铝合金化学分析方法 第33部分:钾含量的测定 火焰原子吸收光谱法 Standard Type GBT ICS 77.120.10 CCS H12 Status 现行 Issue Date 2020-11-19 Implementation 2021-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A