Home / Standards / GB/T 38265.9-2022 GB/T 38265.9-2022 Active Test methods for soft soldering fluxes—Part 9: Determination of ammonia content 软钎剂试验方法 第9部分：氨含量的测定 Standard Type GBT ICS 25.160.50 CCS J33 Status 现行 Issue Date 2022-10-12 Implementation 2022-10-12 Responsible Dept 国家标准委 Drafting Unit N/A