China 'GB/T 12688.1-2019
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 12688.1-2019
Test method of styrene for industrial use—Part 1:Determination of purity and hydrocarbon impurities—Gas chromatography 工业用苯乙烯试验方法 第1部分:纯度及烃类杂质的测定 气相色谱法
Issued Date:2019
Implemented Date:2020-5-1
Issued by:
The Standardization Administration of the People's Republic of China