中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 14571.4-2022
Test methods for ethylene glycol for industrial use Part 4: Determination of ultraviolet transmittance ultraviolet spectrophotometric method 工业用乙二醇试验方法 第4部分:紫外透光率的测定 紫外分光光度法
Issued Date:2022/4/15
Implemented Date:2022/11/1
Issued by:
The Standardization Administration of the People's Republic of China