2015
DOI: 10.2116/analsci.31.1137
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Preconcentration of Aromatic Compounds in Aqueous Samples with a Polymer-coated Fiber-packed Capillary and Subsequent Temperature-programmed Elution with Water for Pseudo-2D LC Separations

Abstract: A bundle of polymer-coated filaments was successfully introduced as an extraction medium for the preconcentration of an aqueous solution of aromatic compounds. The extraction was simply carried out with pumping the aqueous sample solution to the extraction capillary at ambient temperature. The extracted analytes were sequentially eluted with a flow of pure water using temperature-programmed heating of the extraction capillary in an oven. The results clearly suggest that the polymer-coated fiber-packed capillar… Show more

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Cited by 8 publications
(8 citation statements)
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“…As an extension of our previous studies, including the employment of natural and synthetic polymers as the stationary phase in chromatographic techniques [15][16][17][18][19][20][21][22][23][24][25][26][27][28][29] or the extraction medium in miniaturized sample preparation methods [30][31][32][33][34][35][36][37][38][39], spherical particles of a copolymer material, poly(benzoguanamine-co-formaldehyde) (BF), was introduced as a novel LC stationary phase in this work. The retention behavior for polycyclic aromatic compounds (PACs) on the BF stationary phase was studied on the basis of a systematic comparison with that obtained on a conventional ODS phase.…”
Section: Introductionmentioning
confidence: 99%
“…As an extension of our previous studies, including the employment of natural and synthetic polymers as the stationary phase in chromatographic techniques [15][16][17][18][19][20][21][22][23][24][25][26][27][28][29] or the extraction medium in miniaturized sample preparation methods [30][31][32][33][34][35][36][37][38][39], spherical particles of a copolymer material, poly(benzoguanamine-co-formaldehyde) (BF), was introduced as a novel LC stationary phase in this work. The retention behavior for polycyclic aromatic compounds (PACs) on the BF stationary phase was studied on the basis of a systematic comparison with that obtained on a conventional ODS phase.…”
Section: Introductionmentioning
confidence: 99%
“…Miniaturized sample preparation with fiber-packed capillary and the effective coupling to microscale separation methods will suggest a future possibility to other related applications, such as an interface between two-dimensional chromatographic separations [101][102][103][104][105]. The applications of polymer-coated and surface-derivatized fibrous materials in miniaturized sample preparation process also demonstrate a possibility to the employment of similar fibrous separation media as the new format of the stationary phase materials in various chromatographic techniques.…”
Section: Future Prospectivementioning
confidence: 99%
“…The use of the fibrous materials as the stationary phase was investigated in chromatographic techniques including GC [36][37][38][39][40][41][42], capillary electrochromatography [43][44][45] and liquid chromatography [46][47][48][49][50][51][52]. Fiber-packed capillary was also studied as a miniaturized interface between two-dimensional separations [53,54]. Taking advantage of a good heat-resistance, several synthetic polymer filaments have been employed as a stationary phase for high temperature separations in GC, while the sample preparation of liquid samples was carried out with the mini-cartridge packed with a bundle of these filaments.…”
Section: Introductionmentioning
confidence: 99%