Open AccessDetermination of Atrazine and Simazine in Environmental Water Samples by Dispersive Liquid–Liquid Microextraction with High Performance Liquid Chromatography
Author(s) -
Qingxiang Zhou,
Long Pang,
Guangyuan Xie,
Junping Xiao,
Huahua Bai
Publication year - 2009
Publication title -
analytical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.392
H-Index - 73
eISSN - 1348-2246
pISSN - 0910-6340
DOI - 10.2116/analsci.25.73
Subject(s) - simazine , atrazine , chemistry , chromatography , disperser , solvent , extraction (chemistry) , detection limit , high performance liquid chromatography , pesticide , organic chemistry , chemical engineering , agronomy , biology , engineering
This paper describes a new method for the rapid and sensitive analysis of atrazine and simazine based on the dispersive liquid-liquid microextraction with carbon tetrachloride and methanol as the extraction solvent and disperser solvent. Under the optimal conditions, there are excellent linear relationships between the peak area and the concentration in the range of 0.5 - 50 microg L(-1) for atrazine and 0.1 - 50 microg L(-1) for simazine. The limits of detection were 0.1 and 0.04 microg L(-1) for atrazine and simazine, respectively. The proposed method was also applied to the analysis of real water samples, and excellent results were achieved with spiked recoveries in the range of 60.7 - 91.4%. All these results demonstrate that the proposed method would be widely used in many fields in the future.