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374 Multidimensional Chromatography
samples by coupled column liquid chromatography with UV detection’, Anal. Chem.
71: 1111–1118 (1999).
55. C. Aguilar, I. Ferrer, F. Borrull, R. M. Marcé and D. Barceló, ‘Monitoring of pesticides
in river water based on samples previously stored in polymeric cartridges followed
by on-line solid-phase extraction–liquid chromatography–diode array detection and
confirmation by atmospheric pressure chemical ionization mass spectrometry’, Anal.
Chim. Acta 386:237–248 (1999).
56. J. Slobodnik, Ö. Östezkizan, H. Lingeman and U. A. Th Brinkman, ‘Solid-phase
extraction of polar pesticides from environmental water samples on graphitised carbon
and Empore-activated carbon disks and on-line coupling to octadecyl-bonded silica
analytical columns’, J. Chromatogr. 750:227–238 (1996).
57. H. Bagheri, J. Slobodnik, R. M. Marcé Recasens, R. T. Ghijsen and U. A. Th Brinkman,
‘Liquid chromatography–particle beam mass spectrometry for identification of
unknown pollutants in water’, Chromatographia 37:159–167 (1993).
58. R. M. Marcé, H. Prosen, C. Crespo, M. Calull, F. Borrull and U. A. Th Brinkman, ‘On-
line trace enrichment of polar pesticides in environmental waters by reversed-phase
liquid chromatography–diode array detection–particle beam mass spectrometry’,
J. Chromatogr. 696:63–74 (1995).
59. S. Lacorte, J. J. Vreuls, J. S. Salau, F. Ventura and D. Barceló, ‘Monitoring of pesticides
in river water using fully automated on-line solid-phase extraction and liquid chro-
matography with diode array detection with a novel filtration device’, J. Chromatogr.
795:71–82 (1998).
60. H. Bagheri, E. R. Brouwer, R. T. Ghijsen and U. A. Th Brinkman, ‘Low-level multi-
residue determination of polar pesticides in aqueous samples by column liquid chro-
matography–thermospray mass spectrometry’, J. Chromatogr. 657: 121–129 (1993).
61. C. Aguilar, F. Borrull and R. M. Marcé, ‘Determination of pesticides by on-line trace
enrichment–reversed-phase liquid chromatography–diode-array detection and confir-
mation by particle-beam mass spectrometry’, Chromatographia 43:592–598 (1996).
62. S. Lacorte and D. Barceló, ‘Determination of parts per trillion levels of organophospho-
rus pesticides in groundwater by automated on-line liquid–solid extraction followed by
liquid chromatography/atmospheric pressure chemical ionization mass spectrometry
using positive and negative ion modes of operation’, Anal. Chem. 68: 2464–2470
(1996).
63. E. Pocurull, R. M. Marcé and F. Borrull, ‘Determination of phenolic compounds in
natural waters by liquid chromatography with ultraviolet and electrochemical detection
after on-line trace enrichment’, J. Chromatogr. 738:1–9 (1996).
64. E. R. Brouwer and U. A. Th Brinkman, ‘Determination of phenolic compounds in sur-
face water using on-line liquid chromatographic precolumn-based column-switching
tecniques’, J. Chromatogr. 678:223–231 (1994).
65. D. Puig, L. Silgoner, M. Grasserbauer and D. Barceló, ‘Part-per-trillion level determi-
nation of priority methyl-, nitro-, and chlorophenols in river water samples by auto-
mated online liquid/solid extraction followed by liquid chromatography/mass
spectrometry using atmospheric pressure chemical ionization and ion spray interfaces’,
Anal. Chem. 69: 2756–2761 (1997).
66. E. R. Brouwer, A. N. J. Hermans, H. Lingeman and U. A. Th Briknman, ‘Determination
of polycyclic aromatic hydrocarbons in surface water by column liquid chromatogra-
phy with fluorescence detection, using on-line micelle-mediated sample preparation’,
J. Chromatogr. 669:45–57 (1994).
67. R. El Harrak, M. Calull, R. M. Marcé and F. Borrull, ‘Influence of the organic solvent
in on-line solid phase extraction for the determination of PAHs by liquid chromatogra-
phy and fluorescence detection’, J. High Resolut. Chromatogr. 21:667–670 (1998).