Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.14/6798
Título: A flow system with in-line blank correction applied to the spectrophotometric determination of total iron and chromium (VI) in wastewaters
Autor: Morais, I. P. A.
Souto, M. R. S.
Rangel, A. O. S. S.
Palavras-chave: Flow system
Total iron
Chromium (VI)
Blank correction
Data: 11-Abr-2002
Editora: Springer-Verlag
Citação: MORAIS, I.P.A.; SOUTO, M.R:S.; RANGEL, A. O. S. S. - determination of total iron and chromium (VI) in wastewaters. Analytical and Bioanalytical Chemistry.ISSN 1618-2642. Nº 373 (2002), p.119–122
Resumo: A flow system using the sample as the carrier with a propulsion device located after the detector is presented. This approach allows the correction of the intrinsic color of the sample, as it provides baseline adjustment for each sample. A confluence situated just after the selection valve allows the sample composition to be adjusted for the colorimetric measurement. The developed methodology was applied to the colorimetric determination of total Fe and Cr (VI) in wastewaters at 0.1–6.0 mg L–1 and 0.03–1.0 mg L–1, respectively. RSDs lower than 3% and a sampling rate of approximately 40 h–1 were obtained
Peer review: yes
URI: http://hdl.handle.net/10400.14/6798
Versão do Editor: The original publication is available at www.springerlink.com
Aparece nas colecções:ESB - Artigos em revistas internacionais com Arbitragem / Papers in international journals with Peer-review

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