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Tian M, Cheng R, Ye J, Liu X, Jia Q. Preparation and evaluation of ionic liquid-calixarene solid-phase microextraction fibres for the determination of triazines in fruit and vegetable samples. Food Chem 2014; 145:28-33. [DOI: 10.1016/j.foodchem.2013.08.029] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2011] [Revised: 08/06/2013] [Accepted: 08/08/2013] [Indexed: 10/26/2022]
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2
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Wen Y, Chen L, Li J, Ma Y, Xu S, Zhang Z, Niu Z, Choo J. Molecularly imprinted matrix solid-phase dispersion coupled to micellar electrokinetic chromatography for simultaneous determination of triazines in soil, fruit, and vegetable samples. Electrophoresis 2012; 33:2454-63. [DOI: 10.1002/elps.201100612] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | - Lingxin Chen
- Key Laboratory of Coastal Zone Environmental Processes; Yantai Institute of Coastal Zone Research (YIC); Chinese Academy of Sciences (CAS); Shandong Provincial Key Laboratory of Coastal Zone Environmental Processes; YICCAS; Yantai; China
| | - Jinhua Li
- Key Laboratory of Coastal Zone Environmental Processes; Yantai Institute of Coastal Zone Research (YIC); Chinese Academy of Sciences (CAS); Shandong Provincial Key Laboratory of Coastal Zone Environmental Processes; YICCAS; Yantai; China
| | | | | | - Zhong Zhang
- Key Laboratory of Coastal Zone Environmental Processes; Yantai Institute of Coastal Zone Research (YIC); Chinese Academy of Sciences (CAS); Shandong Provincial Key Laboratory of Coastal Zone Environmental Processes; YICCAS; Yantai; China
| | - Zongliang Niu
- Key Laboratory of Coastal Zone Environmental Processes; Yantai Institute of Coastal Zone Research (YIC); Chinese Academy of Sciences (CAS); Shandong Provincial Key Laboratory of Coastal Zone Environmental Processes; YICCAS; Yantai; China
| | - Jaebum Choo
- Department of Bionano Engineering, Hanyang University; Ansan; South Korea
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3
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Usta A, Ozmen A, Bırey M. An EPR study on irradiated 4-(1,3,5-triazin-2-yloxy)cyclohexanecarbaldehyde single crystal. J Mol Struct 2011. [DOI: 10.1016/j.molstruc.2010.11.041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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4
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Schmidt S, Mattusch J, Werner G. Elektrochemisches Verhalten von 2,4-Diamino-1,3,5-triazinen und ihren Photolyseprodukten. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/zfch.19890290704] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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5
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Electrochemically modulated liquid chromatographic separation of triazines and the effect of pH on retention. J Chromatogr A 2010; 1217:4395-401. [DOI: 10.1016/j.chroma.2010.04.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2009] [Revised: 04/05/2010] [Accepted: 04/12/2010] [Indexed: 11/23/2022]
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6
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Sreedhar M, Reddy TM, Balaji K, Reddy SJ. Electrochemical Reduction Behavior and Polarographic Determination of Methoxy Triazine Herbicides in Environmental Samples. ANAL LETT 2010. [DOI: 10.1080/00032710903408108] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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7
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Zhang Y, Liu R, Hu Y, Li G. Microwave Heating in Preparation of Magnetic Molecularly Imprinted Polymer Beads for Trace Triazines Analysis in Complicated Samples. Anal Chem 2009; 81:967-76. [DOI: 10.1021/ac8018262] [Citation(s) in RCA: 225] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Yi Zhang
- School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Ruijin Liu
- School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Yuling Hu
- School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Gongke Li
- School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, China
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8
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Hu X, Hu Y, Li G. Development of novel molecularly imprinted solid-phase microextraction fiber and its application for the determination of triazines in complicated samples coupled with high-performance liquid chromatography. J Chromatogr A 2007; 1147:1-9. [PMID: 17336991 DOI: 10.1016/j.chroma.2007.02.037] [Citation(s) in RCA: 133] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2006] [Revised: 02/11/2007] [Accepted: 02/13/2007] [Indexed: 11/15/2022]
Abstract
A novel molecularly imprinted polymer (MIP) coated solid-phase microextraction (SPME) fiber that could be coupled directly to high-performance liquid chromatography (HPLC) was prepared with prometryn as the template molecule. The characteristics and application of this fiber were investigated. Electron microscope photographs indicated that the MIP coating with average thickness of 25.0 microm was homogeneous and porous. The extraction yield of prometryn with the MIP-coated fibers was 10 times as much as that with the non-imprinted polymer (NIP) coated fibers. And special selectivity to other triazines which have similar structure to prometryn was discovered with the MIP-coated fibers. A method for the determination of triazines by the MIP-coated SPME coupled with HPLC was developed. The optimized extraction conditions were studied. Detection limits for the triazines studied were within the range of 0.012-0.090 microg/L. The method was applied to five triazines determination in the spiked soybean, corn, lettuce, and soil samples with the recoveries of 78.0-103.5%, 82.4-113.4%, 75.5-83.4%, and 81.0-106.1%, respectively. The MIP-coated fibers are suitable for the selective extraction of trace triazines in complicated samples.
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Affiliation(s)
- Xiaogang Hu
- School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, China
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9
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Perišić-Janjić N, Jovanović B, Janjić N, Rajković O, Antonović D. Study of the retention behavior of newly synthesizeds-triazine derivatives in RP TLC systems, and the lipophilicity of the compounds. JPC-J PLANAR CHROMAT 2003. [DOI: 10.1556/jpc.16.2003.6.4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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10
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Lin CE, Wang TZ, Huang HC, Hsueh CC, Liu YC. Capillary zone electrophoretic separation of neutral species of chloro-s-triazines in the presence of cationic surfactant monomers. J Chromatogr A 2000; 878:137-45. [PMID: 10843552 DOI: 10.1016/s0021-9673(00)00238-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Chloro-s-triazines are difficult to separate by capillary zone electrophoresis (CZE), due to their low pKa values. However, these analytes can be effectively separated by CZE in the presence of cationic surfactant monomers, such as tetradecylammonium bromide (TTAB) and dodecyltrimethylammonium bromide (DTAB). The separation mechanism based on a 1:1 binding of analytes to cationic surfactant monomers is proposed. The binding constants of chloro-s-triazines to cationic surfactant monomers are estimated. The results show that the strength of the interactions of these analytes with TTAB monomers is considerably strong, whereas that of the corresponding analyte with DTAB monomers is about 12- to 14-fold weaker. A linear correlation of binding constants with log P(ow) (the logarithm of the partition coefficient of analytes between 1-octanol and aqueous phases) indicates that the migration order of these chloro-s-triazines depends primarily on their hydrophobicity. Moreover, the skewed peaks of chloro-s-triazines observed may reveal the occurrence of adsolubilization of these analytes in the adsorbed cationic surfactant layer on the capillary surface.
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Affiliation(s)
- C E Lin
- Department of Chemistry, National Taiwan University, Taipei.
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11
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Pinto GM, Jardim IC. Use of solid-phase extraction and high-performance liquid chromatography for the determination of triazine residues in water: validation of the method. J Chromatogr A 2000; 869:463-9. [PMID: 10720259 DOI: 10.1016/s0021-9673(99)01242-x] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A method for determination of some triazine residues in water has been developed. The method involves concentration with C18 solid-phase extraction cartridges followed by high-performance liquid chromatographic analysis using a C18 column with UV detection at 230 nm, a mobile phase of methanol-water (60:40, v/v) at pH 4.6 (phosphoric acid) and a flow-rate of 0.8 ml/min. After optimization of the extraction and separation conditions, the method was validated. The method can be used for determination of atrazine, simazine, cyanazine and ametryn in water, within the international limits of 0.1 microg/l.
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Affiliation(s)
- G M Pinto
- Departamento de Química Analítica, Instituto de Química, Unicamp, Campinas (SP), Brazil.
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12
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Nélieu S, Stobiecki M, Einhorn J. Tandem solid-phase extraction of atrazine ozonation products in water. J Chromatogr A 2000; 866:195-201. [PMID: 10670809 DOI: 10.1016/s0021-9673(99)01113-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The preconcentration of aqueous solutions containing atrazine degradation products was investigated using solid-phase extraction on octadecyl and cation-exchanger silica phases. The retention and elution steps were studied and evaluated separately in order to define and optimize the critical experimental parameters involved. A strategy which combines sequentially both phases is proposed to fractionate compounds into two groups of increasing polarities: firstly, the native pesticide, hydroxyatrazine and most chlorotriazines on octadecyl support, and secondly monodealkylated hydroxytriazines, ammeline and ammelide on cation-exchanger. This tandem procedure was successfully applied for analysing and quantifying atrazine ozonation products and its efficiency demonstrated using [U-ring 14C]-labelled atrazine experiments.
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Affiliation(s)
- S Nélieu
- Unité de Phytopharmacie et Médiateurs Chimiques, INRA, Versailles, France
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13
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Chapter 4 Sample handling and analysis of pesticides and their transformation products in water matrices by liquid chromatographic techniques. ACTA ACUST UNITED AC 2000. [DOI: 10.1016/s0167-9244(00)80010-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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14
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Loos R, Niessner R. Analysis of atrazine, terbutylazine and their N-dealkylated chloro and hydroxy metabolites by solid-phase extraction and gas chromatography-mass spectrometry and capillary electrophoresis-ultraviolet detection. J Chromatogr A 1999; 835:217-29. [PMID: 10220922 DOI: 10.1016/s0021-9673(99)00046-1] [Citation(s) in RCA: 85] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Solid-phase extraction (SPE) with the styrene-divinylbenzene adsorbent LiChrolut EN was investigated for the extraction of the s-triazine herbicides atrazine and terbutylazine, their polar N-dealkylated degradation products deethylatrazine (DEA), deisopropylatrazine (DIA) and deethylterbutylazine (DET) and for the hydrophilic hydroxytriazine degradation products (HTDPs) hydroxyatrazine (HA), hydroxyterbutylazine (HT), deethylhydroxyatrazine (DEHA), deisopropylhydroxyatrazine (DIHA) and deethyldeisopropylhydroxyatrazine (ameline). The optimum pH value for the extraction of the HTDPs from fortified tap water at 2 micrograms/l is 3.0. Recovery values with 200 mg LiChrolut EN are > 80% for HA, HT, DEHA and 30% for DIHA from 200 ml spiked tap and river water. Atrazine, terbutylazine, DEA, DIA and DET are quantitatively extracted by LiChrolut EN. The chlorotriazines are analyzed by GC-MS and the HTDPs by capillary zone electrophoresis (CZE) and micellar electrokinetic capillary chromatography (MECC) with an acetate buffer at pH 4.6 or a sodium borate-sodium dodecyl sulfate buffer at pH 9.3. The combined method of SPE enrichment and CE analysis allows the determination of HTDPs in the low microgram/l range.
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Affiliation(s)
- R Loos
- Institute of Hydrochemistry, Technical University of Munich, Germany
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15
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Lin CE, Hsueh CC, Wang TZ, Chiu TC, Chen YC. Migration behavior and separation of s-triazines in micellar electrokinetic capillary chromatography using a cationic surfactant. J Chromatogr A 1999. [DOI: 10.1016/s0021-9673(98)01075-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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16
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Stutz H, Pittertschatscher K, Malissa H. Capillary zone electrophoretic determination of hydroxymetabolites of atrazine in potable water using solid-phase extraction with Amberchrom resins. Mikrochim Acta 1998. [DOI: 10.1007/bf01242197] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Yang L, Harrata AK, Lee CS. On-line micellar electrokinetic chromatography-electrospray ionization mass spectrometry using anodically migrating micelles. Anal Chem 1997; 69:1820-6. [PMID: 9164158 DOI: 10.1021/ac961202+] [Citation(s) in RCA: 57] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
On-line micellar electrokinetic chromatography (MEKC)-electrospray ionization mass spectrometry (ESIMS) is demonstrated for the analysis of chlorotriazine herbicides and barbiturates. In this study, the micellar velocity is directly manipulated by the adjustment of electroosmosis rather than the electrophoretic velocity of the micelle. The electroosmotic flow is adjusted against the electrophoretic velocity of the micelle by changing the solution pH in MEKC. The elimination of MEKC surfactant introduction into ESIMS is achieved with an anodically migrating micelle, moving away from the electrospray interface. The effects of moving surfactant boundary in the MEKC capillary on separation efficiency and resolution of triazine herbicides and barbiturates are investigated. The mass detection of herbicides and barbiturates sequentially eluted from the MEKC capillary is acquired using the positive and negative electrospray modes, respectively.
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Affiliation(s)
- L Yang
- Department of Chemistry, USDOE, Iowa State University, Ames 50011, USA
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18
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19
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Nelson WM, Lee CS. Mechanistic studies of partial-filling micellar electrokinetic chromatography. Anal Chem 1996; 68:3265-9. [PMID: 8797385 DOI: 10.1021/ac951137o] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
The need for coupling micellar electrokinetic chromatography (MEKC) with electrospray mass spectrometry initiates the development of partial-filling MEKC. In comparison with conventional MEKC, only a small portion of the capillary is filled with a micellar solution for performing the separation in partial-filling MEKC. Analytes first migrate into the micellar plug, where the separation occurs, and then into the leading electrophoresis buffer, which is free of surfactants. A theoretical model is proposed for predicting the separation behavior of triazine herbicides in partial-filling MEKC. The comparisons between conventional and partial-filling MEKC in terms of separation efficiency and resolution of triazine herbicides are presented and discussed. The optimization techniques, possible applications, and advantages of partial-filling MEKC are similarly addressed.
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Affiliation(s)
- W M Nelson
- Department of Chemistry, Iowa State University, Ames 50011, USA
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20
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Önnerfjord P, Barceló D, Emnéus J, Gorton L, Marko-Varga G. On-line solid-phase extraction in liquid chromatography using restricted access pre-columns for the analysis of s-triazines in humic-containing waters. J Chromatogr A 1996. [DOI: 10.1016/0021-9673(96)00072-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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21
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Schlegel O, Niessner R, Scheunert I. High-performance liquid chromatographic determination of 14C-labelled terbuthylazine and principal degradates in percolation water and soil extracts from leaching experiments. J Chromatogr A 1996. [DOI: 10.1016/0021-9673(95)01343-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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22
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Liška I, Slobodník J. Comparison of gas and liquid chromatography for analysing polar pesticides in water samples. J Chromatogr A 1996. [DOI: 10.1016/0021-9673(95)01048-3] [Citation(s) in RCA: 91] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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23
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24
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Carabias Martínez R, Rodríguez Gonzalo E, Muñoz Domínguez A, Domínguez Alvarez J, Hernández Méndez J. Determination of triazine herbicides in water by micellar electrokinetic capillary chromatography. J Chromatogr A 1996. [DOI: 10.1016/0021-9673(95)00978-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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25
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Martínez R, Gonzalo E, Santiago Toribio M, Méndez J. Determination of triazines in surface waters by membrane separation coupled on-line to a flow-injection system and partial least squares regression. Anal Chim Acta 1996. [DOI: 10.1016/0003-2670(95)00567-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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26
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Wortberg M, Jones G, Kreissig S, Rocke D, Gee S, Hammock B. An approach to the construction of an immunoarray for differentiating and quantitating cross reacting analytes. Anal Chim Acta 1996. [DOI: 10.1016/0003-2670(95)00500-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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27
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Separation of s-triazine herbicides and their metabolites by capillary zone electrophoresis as a function of pH. J Chromatogr A 1996. [DOI: 10.1016/0021-9673(95)00805-5] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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28
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Pichon V, Chen L, Guenu S, Hennion MC. Comparison of sorbents for the solid-phase extraction of the highly polar degradation products of atrazine (including ammeline, ammelide and cyanuric acid). J Chromatogr A 1995. [DOI: 10.1016/0021-9673(95)00527-t] [Citation(s) in RCA: 55] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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29
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30
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Arántegui J, Prado J, Chamarro E, Esplugas S. Kinetics of the UV degradation of atrazine in aqueous solution in the presence of hydrogen peroxide. J Photochem Photobiol A Chem 1995. [DOI: 10.1016/1010-6030(94)03986-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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31
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Martínez R, Gonzalo E, Fernández E, Méndez J. Membrane extraction-preconcentration cell coupled on-line to flow-injection and liquid chromatographic systems. Determination of triazines in oils. Anal Chim Acta 1995. [DOI: 10.1016/0003-2670(94)00661-5] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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32
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33
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Martinez R, Gonzalo E, García F, Méndez J. Automated high-performance liquid chromatographic method for the determination of organophosphorus pesticides in waters with dual electrochemical (reductive—oxidative) detection. J Chromatogr A 1993. [DOI: 10.1016/0021-9673(93)80119-s] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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34
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Schewes R, Maidl F, Fischbeck G, von Gleissenthall J, Süss A. Trace determination of weathered atrazine and terbuthylazine and their degradation products in soil by high-performance liquid chromatography-diode-array detection. J Chromatogr A 1993. [DOI: 10.1016/0021-9673(93)83462-2] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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35
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36
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Mills M, Thurman E, Pedersen M. Application of mixed-mode, solid-phase extraction in environmental and clinical chemistry. J Chromatogr A 1993. [DOI: 10.1016/0021-9673(93)80349-d] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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37
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Pedrero M, Calvo V, de Villena FJM, Pingarrón JM, Polo LM. Determination of methoprotryne and terbutryn by adsorptive stripping voltammetry on the hanging mercury drop electrode. Analyst 1993. [DOI: 10.1039/an9931801405] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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38
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Desiderio C, Fanali S. Atrazine and simazine determination in river water samples by micellar electrokinetic capillary chromatography. Electrophoresis 1992; 13:698-700. [PMID: 1459095 DOI: 10.1002/elps.11501301148] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A rapid and sensitive micellar electrokinetic capillary chromatography analytical method was used for the determination of chlorotriazine herbicides in river water samples. Several electrolyte systems in the pH range 7-10 were tested in order to optimize the separation. The two compounds were separated in less than 10 min and the determination limit was about 0.4 ppb for each herbicide. Recovery values of the method were in the range 80%-117%.
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Affiliation(s)
- C Desiderio
- Istituto di Cromatografia del C.N.R. Monterotondo Scalo, Roma, Italy
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39
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Pepperman AB, Kuan JW. HPLC and GC/MS of Metribuzin and Its Degradation Products from Alginate-Linseed Oil Controlled Release Formulations. ACTA ACUST UNITED AC 1992. [DOI: 10.1080/10826079208018837] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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40
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Coquart V, Hennion MC. Determination of chlorotriazines in aqueous environmental samples at the ng/l level using preconcentration with a cation exchanger and on-line high-performance liquid chromatography. J Chromatogr A 1991. [DOI: 10.1016/0021-9673(91)85058-n] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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41
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Barceló D. Occurrence, handling and chromatographic determination of pesticides in the aquatic environment. A review. Analyst 1991; 116:681-9. [PMID: 1928733 DOI: 10.1039/an9911600681] [Citation(s) in RCA: 163] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- D Barceló
- Environmental Chemistry Department, CID-CSIC, Barcelona, Spain
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42
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Wenheng Q, Schultz NA, Stuart JD, Hogan JC, Mason AS. Determination of Atrazine and Hydroxyatrazine Residues in Soil by Ion-Pair, Reversed-Phase High Performance Liquid Chromatography. ACTA ACUST UNITED AC 1991. [DOI: 10.1080/01483919108049326] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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43
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Comparison of amperometric and UV-spectrophotometric monitoring in the HPLC analysis of pesticides. ACTA ACUST UNITED AC 1991. [DOI: 10.1007/bf00325738] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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44
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Durand G, de Bertrand N, Barceló D. Mobile phase variations in thermospray liquid chromatography-mass spectrometry of pesticides. JOURNAL OF CHROMATOGRAPHY 1991; 562:507-23. [PMID: 2026715 DOI: 10.1016/0378-4347(91)80603-a] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The effect of four different mobile phase compositions with reversed-phase methanol-water (50:50) + 0.05 M ammonium acetate, methanol-water (50:50) + 0.05 M ammonium formate, acetonitrile-water (50:50) + 0.05 M ammonium acetate and acetonitrile-water (50:50) + 0.05 M ammonium formate were compared in filament-on thermospray liquid chromatography-mass spectrometry for the determination of carbamate and chlorotriazine pesticides. In the positive-ion mode, [M + H]+ and [M + NH4]+ were generally the base peaks for the chlorotriazines and the carbamates, respectively. Depending on the mobile phase used, other adduct ions obtained corresponded to [M + CH3CN + H]+, [M + CH3OH + NH4]+, [M + CH3COONH4 + NH4 - 2H2O]+, [M + CH3CN + NH4]+, [M + CH3COONH4 + H - H2O]+ and the dimer [2M + H]+. In the negative-ion mode, [M - H]- and adducts with the ionizing additive [M + CH3COO]- or [M + HCOO]- were obtained. Other ions for the carbamates carbaryl and oxamyl corresponded to [M - CONHCH3 + CH3COOH]- and [M - CON(CH3)2 + HCOO]-, respectively. The variation of mobile phase composition provides additional structural information in thermospray liquid chromatography-mass spectrometry with no appreciable loss of sensitivity. Applications are reported for the determination of carbamate and chlorotriazine pesticides at the ng/g level in spiked and real soil samples, respectively.
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Affiliation(s)
- G Durand
- Environmental Chemistry Department, CID-CSIC, Barcelona, Spain
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HPLC of triazines after on-line photoderivatization. Anal Bioanal Chem 1991. [DOI: 10.1007/bf00321504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Utilisation of liquid chromatography in aquatic photodegradation studies of pesticides: A comparison between distilled water and seawater. Chromatographia 1990. [DOI: 10.1007/bf02268696] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Durand G, Barceló D. Determination of chlorotriazines and their photolysis products by liquid chromatography with photodiode-array and thermospray mass spectrometric detection. J Chromatogr A 1990. [DOI: 10.1016/s0021-9673(01)89592-3] [Citation(s) in RCA: 63] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Durand G, Forteza R, Barceló D. Determination of chlorotriazine herbicides, their dealkylated degradation products and organophosphorus pesticides in soil samples by means of two different clean up procedures. Chromatographia 1989. [DOI: 10.1007/bf02260685] [Citation(s) in RCA: 52] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Günther WJ, Kettrup A. High-performance-liquid chromatographic separation of 1,3,5-trizine herbicides. Chromatographia 1989. [DOI: 10.1007/bf02319649] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Coppi S, Betti A. Liquid chromatographic separation and behaviour of some triazines on styrene-divinylbenzene columns. J Chromatogr A 1989. [DOI: 10.1016/s0021-9673(00)94141-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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