China 'GB/T 23944-2009
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23944-2009
Inorganic chemicals for products use - General method for the determination of aluminium - Chromazurol S-spectrophotometric method 无机化工产品中铝测定的通用方法 铬天青S分光光度法
Issued Date:2009-06-02
Implemented Date:2010-02-01
Issued by:
The Standardization Administration of the People's Republic of China