Home / Standards / GB/T 40114-2021 GB/T 40114-2021 Active Jewellery—Determination of precious metal content—Difference method using inductively coupled plasma optical emission spectroscopy 首饰 贵金属含量的测定 ICP差减法 Standard Type GBT ICS 39.060 CCS Y88 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A