2014
DOI: 10.5935/0100-4042.20140194
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Development of a Flow Injection Analysis System Employng Alternative and Low-Cost Materials for Didactic Purposes

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Cited by 2 publications
(3 citation statements)
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“…I p decreased as the distance between injection and detection increased, dropping from 1.43 to 0.26 μA from 6 to 21 mm distance. This behavior is consistent with the results obtained with conventional FIA systems 17,37 and can be explained by diffusional band broadening as the plug flows down the channel. 6 mm was kept as the injection−detection distance for further experiments.…”
Section: ■ Results and Discussionsupporting
confidence: 91%
See 1 more Smart Citation
“…I p decreased as the distance between injection and detection increased, dropping from 1.43 to 0.26 μA from 6 to 21 mm distance. This behavior is consistent with the results obtained with conventional FIA systems 17,37 and can be explained by diffusional band broadening as the plug flows down the channel. 6 mm was kept as the injection−detection distance for further experiments.…”
Section: ■ Results and Discussionsupporting
confidence: 91%
“…The peak also broadened from 5 to 15 μL. 37,38 These results are typical of flow injection analysis and are indicative of dispersion occurring as the analyte plug flows to the working electrode. Based on the results, all subsequent measurements were performed at 2 μL injection volume.…”
Section: ■ Results and Discussionmentioning
confidence: 89%
“…A Figura 52 mostra que a intensidade dos picos diminui consideravelmente, de 1,43 para 0,26 µA, com o aumento da distância, de 6 a 21 mm, entre a porta de injeção de amostra e o sistema de detecção. Esse comportamento é consistente com resultados obtidos com sistemas FIA convencionais (GRANICA et al, 2018;MOREIRA et al, 2014) e pode ser explicado pela maior dispersão da zona da amostra quando o comprimento do percurso analítico é aumentado. Considerando que a distância de 6 mm resultou em maior intensidade de sinal, essa distância foi, então, mantida para os estudos subsequentes.…”
Section: Analito Técnicaunclassified