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以高效液相色谱( H P L C)、氨基柱/庚烷色谱体系,对 49 个芳烃纯样的色谱保留指数( I)和芳环数( A R N)的关系进行了研究。所获结果表明, A R N 和 log I值间遵循着严格的划分规律。其中,一环芳烃的 log I为 0.672~1.089,二环为 1.652~2.586,三环为 2.629~3.241,四环为 3.447~4.160,五环为 4.482~5.000。在研究模型化合物的基础上,建立了芳烃环分布( A R D)的测定方法。运用该法对煤系重质油中的 A R D 进行了系统考察
The relationship between the chromatographic retention index (I) and aromatic ring number (A R N) of 49 aromatics samples was studied by high performance liquid chromatography (HPLC) and amino column / heptane chromatography. The results obtained show that there is a strict rule of division between A R N and log I. Among them, the logarithm of aromatics is 0.672 ~ 1.089, the second ring is 1.652 ~ 2.586, the third ring is 2.629 ~ 3.241, the fourth ring is 3.447 ~ 4.160, Ring for 4.482 ~ 5.000. Based on the study of model compounds, the determination of aromatic hydrocarbon ring distribution (A R D) was established. The method was used to systematically investigate A R D of coal-based heavy oil