中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 14420-2024
Analysis Methods for Boiler Water and Cooling Water - Determination of Chemical Oxygen Demand - Potassium Dichromate Rapid Method 锅炉用水和冷却水分析方法-化学耗氧量的测定-重铬酸钾快速法
Issued Date:2024/7/24
Implemented Date:2025/2/1
Issued by:
The Standardization Administration of the People's Republic of China