Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
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 |
China Energy industry
Standards Petroleum asphaltene |
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SH/T 0266-1992 |
(Petroleum asphaltene content determination) 石油沥青质含量测定法 |
China Petrochemical Industry
Standards Petroleum asphaltene |
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