中華人民共和國國家標準
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 13255.1-2009
Test methods of caprolactam for industrial use - Part 1: Determination of colourity of 50% aqueous caprolactam solution - Spectrometric method 工業用己内酰胺試驗方法 第1部分:50%水溶液色度的測定 分光光度法
Issued Date:2009-05-13
Implemented Date:2010-01-01
Issued by:
The Standardization Administration of the People's Republic of China