China 'GB/T 11213.4-2006
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 11213.4-2006
Sodium hydroxide for chemical fiber use - Determination of silicon content - Reduced molybdosilicate spectrophotometric method 化纤用氢氧化钠 硅含量的测定 还原硅钼酸盐分光光度法
Issued Date:2006-12-29
Implemented Date:2007-06-01
Issued by:
The Standardization Administration of the People's Republic of China