2009
DOI: 10.1590/s0100-40422009000600048
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Autoamostrador de baixo custo para análise por injeção em fluxo

Abstract: Recebido em 24/7/08; aceito em 4/2/09; publicado na web em 3/7/09 A LOW COST AUTOSAMPLER FOR FLOW INJECTION ANALYSIS. This paper describes a homemade autosampler for flow injection analysis (FIA), constructed with two step motors from old floppy disk drives (5¼-inch). The autosampler was connected to a computer through the parallel port and the sampling process was controlled by software in Quick Basic. The performance of the system was assessed by the determination of ammonium, based on the gaseous diffusion … Show more

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Cited by 23 publications
(11 citation statements)
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“…As described by Su et al (1998) and Kamogawa & Teixeira (2009), an aliquot of 50 mL was withdrawn from the final solution of the washing of each foam, for distillation and quantification of volatilized NH 3 by flow injection analysis. …”
Section: Methodsmentioning
confidence: 99%
“…As described by Su et al (1998) and Kamogawa & Teixeira (2009), an aliquot of 50 mL was withdrawn from the final solution of the washing of each foam, for distillation and quantification of volatilized NH 3 by flow injection analysis. …”
Section: Methodsmentioning
confidence: 99%
“…Seguindo descrição metodológica adaptada de Kamogawa & Teixeira (2009) e apresentada por Silva et al (2014), utilizou-se 0,125 g de cada HDL em 50 mL de solução de NaHCO 3 tamponado em pH 6,5. A liberação de NO 3 -foi analisada nos tempos de 0; 0, 08; 0,25; 0,50; 1; 5; 24; 60; 90; 120; e Na figura 1, são apresentados os difratogramas de raios-X dos compostos sintetizados.…”
Section: Teste De Liberação De Nitratounclassified
“…Aiming at routine analysis, a low cost autosampler for flow injection analysis was designed with two stepper motors obtained from discarded floppy disks drives. 295 Fundamental aspects related to flow analysis have also been focused, such as investigation of the characteristics of the pulsed-flow inherent to the multi-pumping flowsystems. 296 Evidences of turbulent flow were found by the authors, based on peak shapes and photographic images.…”
Section: Instrumentation and Automationmentioning
confidence: 99%