Ultrasonic micellar extraction of polycyclic aromatic hydrocarbons from marine sediments

被引：32
|
作者：
Pino, V [1 ]
Ayala, JH [1 ]
Afonso, AM [1 ]
González, V [1 ]
机构：
[1] Univ La Laguna, Dept Analyt Chem Nutr & Food Sci, E-38071 La Laguna, Spain
来源：
TALANTA | 2001年 / 54卷 / 01期
关键词：
ultrasound-assisted extraction; micellar medium; experimental design; marine sediments; polycyclic aromatic hydrocarbons;
D O I：
10.1016/S0039-9140(00)00622-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this present study the extraction of polycyclic aromatic hydrocarbons (PAHs) from marine sediments with a micellar medium of Polyoxyethylene 10 lauryl ether by an ultrasound-assisted method has been studied. Factorial design experiments were used in order to optimize the extraction parameters: extraction time, surfactant concentration and surfactant volume:amount of sediment relationship. The results suggest that surfactant concentration is statistically the most significant factor. The analysis of extracts has been carried out by HPLC with UV detection. Fortified sediments gave an average recovery between 86.7 and 106.6%, with relative standard deviation of 2.02-6.8% for PAHs with a ring number higher than three. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：15 / 23
页数：9
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