China 'GB/T 13748.9-2013
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 13748.9-2013
Chemical analysis methods of magnesium and magnesium alloys - Part 9:Determination of iron content - Orthopenanthroline spectrophotometric method 镁及镁合金化学分析方法 第9部分:铁含量测定 邻二氮杂菲分光光度法
Issued Date:2013-09-06
Implemented Date:2014-05-01
Issued by:
The Standardization Administration of the People's Republic of China