Home / Standards / GB/T 41404-2022 GB/T 41404-2022 Active Determination of platinum content in platinum alloys—Spark atomic emission spectrometric method(difference method) 铂合金中铂含量的测定 火花原子发射光谱法(差减法) Standard Type GBT ICS 39.060 CCS Y88 Status 现行 Issue Date 2022-03-09 Implementation 2022-10-01 Responsible Dept 国家标准委 Drafting Unit N/A