China 'GB/T 14636-2021
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 14636-2021
Determination of calcium and magnesium in industrial circulating cooling water and scale—Atomic absorption spectrometric method 工业循环冷却水及水垢中钙、镁的测定 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