China 'GB/T 13255.4-2009
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 13255.4-2009
Test methods of caprolactam for industrial use - Part 4: Determination of volatile bases content - Titrimetric method after distillation 工业用己内酰胺试验方法 第4部分:挥发性碱含量的测定 蒸馏后滴定法
Issued Date:2009-05-13
Implemented Date:2010-01-01
Issued by:
The Standardization Administration of the People's Republic of China