Home / Standards / GB/T 41322-2022 GB/T 41322-2022 Active Hardmetals—Determination of silicon in cobalt metal powders—Photometric method 硬质合金 钴粉中硅量的测定 分光光度法 Standard Type GBT ICS 77.160 CCS H16 Status 现行 Issue Date 2022-03-09 Implementation 2022-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A