China 'GB/T 23842-2009
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23842-2009
General method for the determination of silicon content of inorganic chemicals - Reduced molybdosilicate spectrophotometric method 无机化工产品中硅含量测定通用方法 还原硅钼酸盐分光光度法
Issued Date:2009-05-18
Implemented Date:2010-02-01
Issued by:
The Standardization Administration of the People's Republic of China