Determination of Phorate in Water Using Dispersive Liquid-Liquid Microextraction Coupled with Gas Chromatography

被引：0

作者：

Xie Hong-Xue ^{[1
,2
]}

He Li-Jun ^{[1
]}

Wu Xiu-Ling ^{[2
]}

Fan Lu ^{[1
]}

Lu Kui ^{[1
]}

Wang Mei-Mei ^{[3
]}

Meng Da-Wei ^{[2
]}

机构：

[1] Henan Univ Technol, Sch Chem & Chem Engn, Zhengzhou 450052, Peoples R China

[2] China Univ Geosci, Fac Chem Engn & Mat Sci, Wuhan 430074, Peoples R China

[3] C Bone Hair Care, Dept Res & Dev, Wuhan 430074, Peoples R China

来源：

CHINESE JOURNAL OF ANALYTICAL CHEMISTRY | 2008年 / 36卷 / 11期

关键词：

Dispersive liquid liquid microextraction; single drop microextraction; liquid phase microextraction; gas chromatography;

D O I：

暂无

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A novel method for the determination of phorate in water sample has been developed using dispersive liquid liquid microextraction ( DLLME ) coupled with gas chromatography by flame ionization detection ( FID ). The influence of extraction parameters including extraction solvent, disperser, solvent and volume, temperature, centrifugal speed and time was investigated. Under the optimum conditions the enrichment factor was 300 and the limit of detection was 0. 001 mu L/L. The linear range was 0. 01 - 10 mu L/L, the R-2 was 0. 9986 and the recovery was 104% for phorate. The relative standard deviations ( RSDs ) were 6. 7%. Analytical results obtained by DLLME were compared with those generated by single-drop microextraction ( SDME ) and liquid phase mircoextraction ( LPME ) in water sample. The advantage of the DLLME technique is simple and fast( less than 5 min ) with high recovery and enrichment factor.

引用

页码：1543 / 1546

页数：4

共 20 条

[1] SOLID-PHASE MICROEXTRACTION WITH THERMAL-DESORPTION USING FUSED-SILICA OPTICAL FIBERS
ARTHUR, CL
PAWLISZYN, J
[J]. ANALYTICAL CHEMISTRY, 1990, 62 (19) : 2145 - 2148
[2] A novel cloud-point extraction process for preconcentrating selected polycyclic aromatic hydrocarbons in aqueous solution
Bai, DS
Li, JL
Chen, SB
Chen, BH
[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2001, 35 (19) : 3936 - 3940
[3] Surfactant cloud point extraction and preconcentration of organic compounds prior to chromatography and capillary electrophoresis
Carabias-Martínez, R
Rodríguez-Gonzalo, E
Moreno-Cordero, B
Pérez-Pavón, JL
García-Pinto, C
Laespada, EF
[J]. JOURNAL OF CHROMATOGRAPHY A, 2000, 902 (01) : 251 - 265
[4] Chen W Q, 2000, J XIAMEN U NATURE SC, V39, P509
[5] GUIDOTT M, 1996, J HIGH RES CHROMATOG, V19, P465
[6] Automated hollow fiber-protected dynamic liquid-phase microextraction of pesticides for gas chromatography - Mass spectrometric analysis
Hou, L
Shen, G
Lee, HK
[J]. JOURNAL OF CHROMATOGRAPHY A, 2003, 985 (1-2) : 107 - 116
[7] Solvent microextraction into a single drop
Jeannot, MA
Cantwell, FF
[J]. ANALYTICAL CHEMISTRY, 1996, 68 (13) : 2236 - 2240
[8] JING XY, 2005, CHINESE J ANAL CHEM, V33, P347
[9] Application of hollow fiber liquid phase microextraction for the determination of insecticides in water
Lambropoulou, DA
Albanis, TA
[J]. JOURNAL OF CHROMATOGRAPHY A, 2005, 1072 (01) : 55 - 61
[10] Liu JF, 2004, CHINESE J ANAL CHEM, V32, P1389

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