NB/SH/T 0838-2010 China
industry
standard english version:
NB
中华人民共和国
行业标准
INDUSTRY
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
NB/SH/T 0838-2010
Determination of polycyclic aromatics (PCA) in unused lubricating base oils and asphaltene free petroleum fractions. Dimethyl sulphoxide extraction refractive index method 未使用过的润滑油基础油及无沥青质石油馏分中稠环芳烃（pca）含量的测定 二甲基亚砜萃取折光指数法
Issued Date:2010-05-01
Implemented Date:2010-10-01
Issued by:
The Standardization Administration of the People's Republic of China
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