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环境化学  2015 

在线富集配合高效液相色谱串联质谱法分析水中的除草剂

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Abstract:

建立了一种采用在线富集(onlineSPE)配合高效液相色谱串联质谱法(LC-MS-MS)快速分析水中除草剂残留的方法.测定了水中的草甘膦、溴氰菊酯、呋喃丹、阿特拉津、灭草松及2,4-D等6种化合物.该方法采用一个两位十通阀方便地实现大体积上样富集与梯度顺序洗脱的切换.6种化合物于20min内完全分离,线性及重现性良好.在进样900μL时各种化合物的检出限均低于国家标准要求的限量,结果令人满意.

References

[1]  Zhao R S, Diao C P, Chen Q F, et al. Sensitive determination of amide herbicides in environmental water samples by a combination of solid-phase extraction and dispersive liquid-liquid microextraction prior to GC-MS[J]. Journal of Separation Science, 2009; 32 (7): 1069
[2]  Rita C M, Encarnacion R G, Eliseo H H,et al. Determination of herbicides and metabolites by solid-phase extraction and liquid chromatography: Evaluation of pollution due to herbicides in surface and groundwaters[J].Journal of Chromatography A. 2002, 950: 157-166
[3]  Pinto G M F, Jar dim I C S F.Mobile phase optimization for the separation of some herbicide samples using HPLC[J]. Journal of Liquid Chromatography Related Technologies,2000,23 (9):1353-1363
[4]  Rodriguez M,Orescan D B.M Rodriguez, D B.Orescan. Confirmation and Quantitation of Selected Sulfonylurea, Imidazolinone, and Sulfonamide Herbicides in Surface Water Using Electrospray LC/MS[J].Analytical Chemistry,1998,70 (13):2710-2717
[5]  Xu X Q,Yang H H, Wang L, et al.Analysis of chloroacetanilide herbicides in water samples by solid-phase microextraction coupled with gas chromatography-mass spectrometry[J]. Analytica Chimica Acta,2007,591(1):87-96
[6]  Safarpour H,Asiaie R,Katz S. H Safarpour,R Asiaie,S Katz. Quantitative analysis of imazamox herbicide in environmental water samples by capillary electrophoresis electrospray ionization mass spectrometry[J].Journal of Chromatography A,2004,1036:217-222

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