Home / Standards / GB/T 14637-2021 GB/T 14637-2021 Active Determination of copper,iron and zinc in industrial circulating cooling water and scale—Atomic absorption spectrometric method 工业循环冷却水及水垢中铜、铁、锌的测定 原子吸收光谱法 Standard Type GBT ICS 71.040.40 CCS G76 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A