Zobrazeno 1 - 6 of 6 pro vyhledávání: '"E. Maria Kristenson"'
1
Fast miniaturised sample preparation for the screening and comprehensive two-dimensional gas chromatographic determination of polychlorinated biphenyls in sludge
Autor: Harmen C. Neidig, Udo A. Th. Brinkman, René J. J. Vreuls, E. Maria Kristenson
Publikováno v: Kristenson, E M, Neidig, H C, Vreuls, R J J & Brinkman, U A T 2005, ' Fast miniaturised sample preparation for the screening and comprehensive two-dimensional gas chromatographic determination of polychlorinated biphenyls in sludge ', Journal of Separation Science, vol. 28, no. 11, pp. 1121-8 . https://doi.org/10.1002/jssc.200301733
Journal of Separation Science, 28(11), 1121-8. Wiley-VCH Verlag
Polychlorinated biphenyls (PCBs) in sludge are usually extracted by a technique such as Soxhlet with subsequent fractionation prior to long GC runs using GC-ECD or GC-HRMS. In this study, the extraction of selected chlorinated biphenyls (CBs) from a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efba2439a35b531f428db129640e8226
https://doi.org/10.1002/jssc.200301733
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2
Evaluation of modulators and electron-capture detectors for comprehensive two-dimensional GC of halogenated organic compounds
Autor: Jani Mäkelä, Conny Danielsson, Minna Kallio, Udo A. Th. Brinkman, Menno Brandt, Peter Korytár, René J. J. Vreuls, E. Maria Kristenson, Jan Beens
Publikováno v: Journal of Chromatography A, 1019(1-2), 65-77. Elsevier
Kristenson, E M, Korytar, P, Danielsson, C, Kallio, M, Brandt, M, Makela, J, Vreuls, R J J, Beens, J & Brinkman, U A T 2003, ' Evaluation of modulators and electron-capture detectors for comprehensive two-dimensional GC of halogenated organic compounds ', Journal of Chromatography A, vol. 1019, no. 1-2, pp. 65-77 . https://doi.org/10.1016/S0021-9673(03)01237-8
Journal of Chromatography. A, Including electrophoresis and other separation methods, 1019(1-2), 65-77
Journal of Chromatography. A, Including electrophoresis and other separation methods 1019 (2003) 1-2
Different cryogenic and a heated GC x GC modulator(s) were evaluated and compared for the analysis of high-boiling halogenated compounds. The cryogenic modulators investigated were: (i) the longitudinally modulated cryogenic system; (ii) the liquid-n
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8efe0269a4c3e299f973c4b9659666d6
https://doi.org/10.1016/s0021-9673(03)01237-8
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3
Role of the retaining precolumn in large-volume on-column injections of volatiles to gas chromatography
Autor: M.Isabel Catalina, René J. J. Vreuls, E. Maria Kristenson, Dirk A Kamminga, Cristina Espiga, Udo A. Th. Brinkman
Publikováno v: Kristenson, E M, Kamminga, D A, Catalina, M, Espiga, C, Vreuls, R J J & Brinkman, U A T 2002, ' Role of the retaining precolumn in large-volume on-column injections of volatiles to gas chromatography ', Journal of Chromatography A, vol. 975, no. 1, pp. 95-104 . https://doi.org/10.1016/S0021-9673(02)01330-4
Journal of Chromatography A, 975(1), 95-104. Elsevier
In the present study the retaining precolumn, which is commonly used in a set-up for large-volume on-column injections, or when solid-phase extraction (SPE) or liquid chromatography is coupled to gas chromatography (CC), was removed after varying its
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5922212eb028d055b845fcca04573260
https://doi.org/10.1016/s0021-9673(02)01330-4
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4
Recent advances in matrix solid-phase dispersion
Autor: E. Maria Kristenson, Udo A. Th. Brinkman, Lourdes Ramos
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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This review updates our knowledge on matrix solid-phase dispersion (MSPD), a sample-preparation technique that is increasingly used for the extraction of organic environmental pollutants and drugs from a variety of solid, semi-solid and viscous envir
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3913b5d253d08e226ee9bff5cdcd789a
http://hdl.handle.net/10261/191875
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5
Miniaturized automated matrix solid-phase dispersion extraction of pesticides in fruit followed by gas chromatographic-mass spectrometric analysis
Autor: René J. J. Vreuls, E. Maria Kristenson, Cees J Slooten, Lourdes Ramos, Udo A. Th. Brinkman, Esther G.J Haverkate
Publikováno v: Kristenson, E M, Haverkate, E G J, van Slooten, C, Ramos, L, Vreuls, R J J & Brinkman, U A T 2001, ' Miniaturized automated matrix solid-phase dispersion extraction of pesticides in fruit followed by gas chromatographic-mass spectrometric analysis ', Journal of Chromatography A, vol. 917, no. 1-2, pp. 277-286 . https://doi.org/10.1016/S0021-9673(01)00677-X
Digital.CSIC. Repositorio Institucional del CSIC
instname
Journal of Chromatography A, 917(1-2), 277-286. Elsevier
In this study a simple and fast miniaturized automated matrix solid-phase dispersion method for the sample preparation and quantitative extraction of pesticides was developed and evaluated. Only 25 mg of sample and 100 μl of organic solvent were use
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0621494769f5483499fc061ef2ce843d
https://research.vu.nl/en/publications/8d656094-66a8-4d89-9fa0-f3a98582ec49
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