1990
DOI: 10.1016/s0003-2670(00)83850-7
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Selective and sensitive on-line flow extraction, preconcentration and normal-phase liquid chromatography

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Cited by 10 publications
(3 citation statements)
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“…414 The development of flow injection methodologies since the 1970s brought additional interest in similar hyphenations of these systems to chromatographic or electrophoretic instruments, and first applications on this subject appeared in the beginning of the 1990s. They included first FIA-HPLC systems with on-line liquid-liquid extraction hyphenated to normal phase HPLC, 415 and with on-line SPE and post-column derivatization for the determination of transition-metal ions using ion-pair chromatography. 416 Among the very early developments, a multicommutated system reported with the on-line sample processing for chelation chromatography for trace elemental analysis in complex environmental and biological samples should also be mentioned, 417 together with an FIA system for on-line sample processing involving the SPE preconcentration and on-column ethylation for the determination of organotin species by capillary GC with a microwave-induced plasma atomic emission spectrometry detection.…”
Section: Hyphenation Of Flow Injection Methods With High-performance ...mentioning
confidence: 99%
“…414 The development of flow injection methodologies since the 1970s brought additional interest in similar hyphenations of these systems to chromatographic or electrophoretic instruments, and first applications on this subject appeared in the beginning of the 1990s. They included first FIA-HPLC systems with on-line liquid-liquid extraction hyphenated to normal phase HPLC, 415 and with on-line SPE and post-column derivatization for the determination of transition-metal ions using ion-pair chromatography. 416 Among the very early developments, a multicommutated system reported with the on-line sample processing for chelation chromatography for trace elemental analysis in complex environmental and biological samples should also be mentioned, 417 together with an FIA system for on-line sample processing involving the SPE preconcentration and on-column ethylation for the determination of organotin species by capillary GC with a microwave-induced plasma atomic emission spectrometry detection.…”
Section: Hyphenation Of Flow Injection Methods With High-performance ...mentioning
confidence: 99%
“…Nestes casos, podem ser feitas associações usando a mesma técnica ou não, através de interfaces similares 8,29,[45][46][47] ou diferentes, como o acoplamento: (i) gás-líquido/líquido-líquido [48][49][50] , (ii) líquido-sólido/líquido-líquido [51][52] ou (iii) líquido-sólido/gás-líquido [53][54] . A primeira situação de acoplamento usando interfaces diferentes pode ser exemplificada com um trabalho recente desenvolvido por Cañada-Rudner e colaboradores 49 , no qual foi efetuada a concentração e determinação de Hg em amostras biológicas, através de sistemas de fluxo combinando ELL com geração de vapor de mercúrio e detecção por espectrometria de emissão atômica com plasma indutivamente acoplado (ICP-AES).…”
Section: Técnicas De Separação E Concentraçãounclassified
“…The normal caffeine content in cola drinks is around 100 mg L -1 , and because of the complex matrices of these types of samples (containing large quantities of sugars, dyes, sweeteners, acids, and so on), the determination of caffeine must be carried out by means of chromatographic techniques. …”
mentioning
confidence: 99%