NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 3049-2006
Chemical products for industrial use - General method for determination of iron content - 1,10-Phenanthroline spectrophotometric method 工业用化工产品 铁含量测定的通用方法 1,10-菲啰啉分光光度法
Issued Date:2006-12-29
Implemented Date:2007-06-01
Issued by:
The Standardization Administration of the People's Republic of China