ONLINE TRACE ENRICHMENT AND HPLC DETERMINATION OF POLYCYCLIC AROMATIC-HYDROCARBONS IN WATER

被引：22

作者：

VERAAVILA, LE

COVARRUBIAS, R

机构：

[1] Departamento de Química Analitica, Facultad de Química, Universidad Nacional Autónoma de México

来源：

INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY | 1994年 / 56卷 / 01期

关键词：

POLYCYCLIC AROMATIC HYDROCARBONS; ONLINE TRACE ENRICHMENT; WATER ANALYSIS;

D O I：

10.1080/03067319408044415

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A fast and simple method for the determination of trace levels of polycyclic aromatic hydrocarbons in water is proposed. Problems arising from the adsorption bf the heaviest hydrocarbons on vessels, fillers and connection tubes have been mostly overcome by addition of acetonitrile to the sample before the preconcentration step. Recoveries > 70%, RSD < 10% and limits of detection ranging from 1.2 mu g/l (naphthalene) to 4 ng/l (anthracene, fluoranthene and benzo(k) fluoranthene) were obtained with spiked water samples.

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页码：33 / 47

页数：15

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