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Borges SS, Peixoto Jde S, Feres MA, et al. Downscaling a multicommuted flow injection analysis system for the photometric determination of iodate in table salt. Anal Chim Acta. 2010;668(1):3-7doi: 10.1016/j.aca.2010.03.005.
Borges, S. S., Peixoto, J. d. e. . S., Feres, M. A., & Reis, B. F. (2010). Downscaling a multicommuted flow injection analysis system for the photometric determination of iodate in table salt. Analytica chimica acta, 668(1), 3-7. https://doi.org/10.1016/j.aca.2010.03.005
Borges, Sivanildo S, et al. "Downscaling a multicommuted flow injection analysis system for the photometric determination of iodate in table salt." Analytica chimica acta vol. 668,1 (2010): 3-7. doi: https://doi.org/10.1016/j.aca.2010.03.005
Borges SS, Peixoto Jde S, Feres MA, Reis BF. Downscaling a multicommuted flow injection analysis system for the photometric determination of iodate in table salt. Anal Chim Acta. 2010 May 23;668(1):3-7. doi: 10.1016/j.aca.2010.03.005. Epub 2010 Mar 15. PMID: 20457294.
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Anal Chim Acta. 2010 May 23;668(1):3-7. doi: 10.1016/j.aca.2010.03.005. Epub 2010 Mar 15.

Downscaling a multicommuted flow injection analysis system for the photometric determination of iodate in table salt.

Analytica chimica acta

Sivanildo S Borges, Jailson de Souza Peixoto, Mário A Feres, Boaventura F Reis

Affiliations

  1. Universidade Federal do Recôncavo da Bahia, Centro de Ciências Exatas e Tecnológicas, Centro, Cruz das Almas, 44380-000, Bahia, Brazil.

PMID: 20457294 DOI: 10.1016/j.aca.2010.03.005

Abstract

In this work a downscaled multicommuted flow injection analysis setup for photometric determination is described. The setup consists of a flow system module and a LED based photometer, with a total internal volume of about 170 microL. The system was tested by developing an analytical procedure for the photometric determination of iodate in table salt using N,N-diethyl-henylenediamine (DPD) as the chromogenic reagent. Accuracy was accessed by applying the paired t-test between results obtained using the proposed procedure and a reference method, and no significant difference at the 95% confidence level was observed. Other profitable features, such as a low reagent consumption of 7.3 microg DPD per determination; a linear response ranging from 0.1 up to 3.0 m IO(3)(-), a relative standard deviation of 0.9% (n=11) for samples containing 0.5 m IO(3)(-), a detection limit of 17 microg L(-1) IO(3)(-), a sampling throughput of 117 determination per hour, and a waste generation 600 microL per determination, were also achieved.

Copyright 2010 Elsevier B.V. All rights reserved.

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