1995
DOI: 10.1007/bf00322225
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Membrane separation in flow injection systems

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Cited by 50 publications
(22 citation statements)
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“…In air-segmented [4] and some earlier unsegmented [5][6][7] flow systems, samples are aspirated into a liquid moving stream at a fixed flow rate for a specific period of time. An operational feature of a segmented analyzer [4,8,9] is that air bubbles are used to segment the sample and reagent mixtures to facilitate mixing and minimize dispersion.…”
Section: Description Of the Flow Systemmentioning
confidence: 99%
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“…In air-segmented [4] and some earlier unsegmented [5][6][7] flow systems, samples are aspirated into a liquid moving stream at a fixed flow rate for a specific period of time. An operational feature of a segmented analyzer [4,8,9] is that air bubbles are used to segment the sample and reagent mixtures to facilitate mixing and minimize dispersion.…”
Section: Description Of the Flow Systemmentioning
confidence: 99%
“…Flow injection analysis [8][9][10][11] involves the rapid injection of a sample into a continuously flowing unsegmented carrier stream. One or more reagent solutions are continuously merged with the carrier prior to detection.…”
Section: Description Of the Flow Systemmentioning
confidence: 99%
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“…Dialysis membranes have proved to be an adequate alternative for the estimation of highly concentrated sample [11]. The reduction in cost of the determination is generally associated with reduced enzyme consumption.…”
Section: Introductionmentioning
confidence: 99%
“…O uso de ACSV baseou-se na complexação do íon metálico com o ligante, seguido pela adsorção do complexo em eletrodo de Hg de gota pendente e consequente varredura de potencial na direção catódica, usando o modo de onda quadrada. Os resultados obtidos com as duas técnicas foram altamente concordantes entre si, confirmando a adequação de ambas para a análise de águas marinhas.Outro grupo de técnicas de separação encontrado em AF é aquele fundamentado no emprego de membranas, o que inclui principalmente diálise, difusão de gás e alguns casos de extração por solventes [29][30][31][32][33][34][35][36][37][38][39][40][41][42] . A amostra, após ser introduzida no sistema de fluxo, é transportada até a membrana por intermédio de um fluido doador, que não reage necessariamente com os analitos.…”
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