用小体积液相色谱法分离测定空气颗粒物中的有机物

Atmospheric Environment (1967) Pub Date : 1989-01-01 DOI:10.1016/0004-6981(89)90492-7

Shi-Wei Zhou ∗, Gai-Ying Ren, Shu-Yi Yu

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引用次数: 2

摘要

提出了一种新的液相色谱分析方法。它既节省时间又节省溶剂。采用A12O3作为柱填料。正己烷和苯的混合物(3:1 v/v)和苯依次显影。得到烷烃馏分、芳烃馏分和极性组分馏分。采用毛细管柱气相色谱法测定多环芳烃。采用DCC法测定了某城市空气颗粒物中的多环芳烃。10 PAH的回收率为81 ~ 99%(平均87.5%)。浓度变异系数为4 ~ 21%，平均为14%。这种方法具有成本效益;与传统液相色谱法相比，时间缩短了14倍，溶剂体积减少了110倍。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Separation and determination of organics in air particulate matters using a new technique, low-volume liquid chromatography

A novel liquid Chromatographic method is presented. It saves both time and solvent. A1₂O₃ is used as the column packing material. A mixture of hexane and benzene (3:1 v/v) and benzene are used to develop the column sequentially. Alkane fraction, aromatics fraction (PAH) and polar component fraction are obtained. PAH is determined by Capillary Column Gas Chromatography. PAH in air paniculate matter of a Chinese city were determined by DCC. Recovery of 10 PAH is 81–99% (average 87.5%). The coefficient of variation of concentration is 4–21% (average 14%). This method is cost-effective; it takes $14$ of the time and $110$ solvent volume compared with conventional liquid chromatography.

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