1996
DOI: 10.2116/analsci.12.981
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On-Line Preconcentration with Solid-Phase Extraction for the Determination of Phenol and Chlorophenols in Aqueous Samples by High-Performance Liquid Chromatography

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Cited by 12 publications
(3 citation statements)
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“…There is a growing demand for a simple trace-level determination of ecotoxicants, such as phenol and its derivatives, in natural waters. Determination of phenols usually includes preconcentration (extraction, solid-phase extraction) followed by chromatographic separation; [10][11][12] therefore, this process is time-consuming and not too efficient. Moreover, in most cases the possibilities of a common preconcentration procedure are limited because only a small part of the preconcentrate is used for further analysis.…”
mentioning
confidence: 99%
“…There is a growing demand for a simple trace-level determination of ecotoxicants, such as phenol and its derivatives, in natural waters. Determination of phenols usually includes preconcentration (extraction, solid-phase extraction) followed by chromatographic separation; [10][11][12] therefore, this process is time-consuming and not too efficient. Moreover, in most cases the possibilities of a common preconcentration procedure are limited because only a small part of the preconcentrate is used for further analysis.…”
mentioning
confidence: 99%
“…Os métodos convencionais de extração de tais compostos em água são: extração líquido-líquido (ZUIN, 1997;GEISSLER & SCHOLER,1994;KURÁN & SOJÁK, 1996;GASPAR et al, 1997;GEISSLER & SCHOLER, 1994), em fase sólida (VIDAL, 1991;ZHI et al,1996;KURÁN & SOJÁK, 1996;JUNG et al, 1996;BELTRAN et al, 1993;SOJO & DJAUHARI, 1998) e com fluido supercrítico (DE MARTINIS, 1993 .…”
Section: Procedimentos Para Determinação Dos Clorofenóis Em Amostras unclassified
“…Pode-se exemplificar com aqueles que empregam aparelhos como Soxhlet (AIROLDI, 1997;IWATA et al, 1994;FOLCH, 1996;KHODADOUST, 1999;BRUCKMEIER et al, 1997;ALONSO et al, 1998), ultra-som (KHODADOUST, 1999LLOMPART et al, 1997) e microondas (ALONSO et al, 1998, LLOMPART et al, 1997, ou outros procedimentos como extração em fase sólida (OUBINA et al, 1997;IWATA et al;1994;PERES, 1997;VICINO;BELTRAN, et al, 1993;JUNG et al, 1996) e com fluido supercrítico (PERES, 1997). Na análise da água, o método tradicional é a extração em fase líquida (GASPAR et al, 1997;ZUIN, 1997;PERES, 1997), mas a extração em fase sólida também tem sido bastante adotada.…”
Section: Introductionunclassified