GB/T 14637-2021
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 14637-2021
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
Issued Date:2021/8/20
Implemented Date:2022/3/1
Issued by:
The Standardization Administration of the People's Republic of China