Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1002/jssc.201400551 |
Ultra-trace level determination of diquat and paraquat residues in surface and drinking water using ion-pair liquid chromatography with tandem mass spectrometry: A comparison of direct injection and solid-phase extraction methods | |
Oh, Jin-Aa1; Lee, Jun-Bae2; Lee, Soo-Hyung2; Shin, Ho-Sang3 | |
通讯作者 | Shin, Ho-Sang |
来源期刊 | JOURNAL OF SEPARATION SCIENCE
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ISSN | 1615-9306 |
EISSN | 1615-9314 |
出版年 | 2014 |
卷号 | 37期号:20页码:2900-2910 |
英文摘要 | Direct injection and solid-phase extraction methods for the determination of diquat and paraquat in surface and drinking water were developed using liquid chromatography with tandem mass spectrometry. The signal intensities of analytes based on six ion-pairing reagents were compared with each other, and 12.5 mM nonafluoropentanoic acid was selected as the best suited amongst them. A clean-up method was developed using Oasis hydrophilic-lipophilic balance; this was compared to the direct injection method, with respect to limits of detection, interference, precision, and accuracy. Limits of quantification of diquat and paraquat were 0.03 and 0.01 mu g/L using the direct injection method, and 0.002 and 0.001 mu g/L using the hydrophilic-lipophilic balance method. When the hydrophiliclipophilic balance method was used to analyze target compounds in 114 surface water and 30 drinking water samples, paraquat and diquat were detected within a concentration range of 0.001-0.12 and 0.002-0.038 mu g/L in surface water, respectively. When the direct injection method was used to analyze target compounds in the same samples, the detected concentrations of paraquat and diquat were within 25% in samples being >0.015 mu g/L using the hydrophilic-lipophilic balance method. The liquid chromatography with tandem mass spectrometry method using direct injection can thus be used for routine monitoring of paraquat and diquat in surface and drinking water. |
英文关键词 | Diquat Direct injection method Environmental water Liquid chromatography with tandem mass spectrometry Paraquat |
类型 | Article |
语种 | 英语 |
国家 | South Korea |
收录类别 | SCI-E |
WOS记录号 | WOS:000343819300012 |
WOS关键词 | QUATERNARY AMMONIUM HERBICIDES ; QUANTITATIVE-DETERMINATION ; CHEMICAL-REDUCTION ; AGRICULTURAL AREA ; OLIVE OIL ; SAMPLES ; PLASMA ; DIFENZOQUAT ; PESTICIDES ; SERUM |
WOS类目 | Chemistry, Analytical |
WOS研究方向 | Chemistry |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/183660 |
作者单位 | 1.Kongju Natl Univ, Dept Environm Sci, Kong Ju 314701, South Korea; 2.Geum River Environm Res Ctr, Okcheon Eup, Chungbuk, South Korea; 3.Kongju Natl Univ, Dept Environm Educ, Kong Ju 314701, South Korea |
推荐引用方式 GB/T 7714 | Oh, Jin-Aa,Lee, Jun-Bae,Lee, Soo-Hyung,et al. Ultra-trace level determination of diquat and paraquat residues in surface and drinking water using ion-pair liquid chromatography with tandem mass spectrometry: A comparison of direct injection and solid-phase extraction methods[J],2014,37(20):2900-2910. |
APA | Oh, Jin-Aa,Lee, Jun-Bae,Lee, Soo-Hyung,&Shin, Ho-Sang.(2014).Ultra-trace level determination of diquat and paraquat residues in surface and drinking water using ion-pair liquid chromatography with tandem mass spectrometry: A comparison of direct injection and solid-phase extraction methods.JOURNAL OF SEPARATION SCIENCE,37(20),2900-2910. |
MLA | Oh, Jin-Aa,et al."Ultra-trace level determination of diquat and paraquat residues in surface and drinking water using ion-pair liquid chromatography with tandem mass spectrometry: A comparison of direct injection and solid-phase extraction methods".JOURNAL OF SEPARATION SCIENCE 37.20(2014):2900-2910. |
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