Utilização da múltipla voltametria de onda quadrada na determinação eletroanalítica de compostos orgânicos e inorgânicos Use of the multiple square wave voltammetry in the electroanalytical determination of organic and inorganic compounds
<abstract language="eng">This paper reports the development of multiple square wave voltammetry and the possibilities of its use for electroanalytical determinations of organic and inorganic compounds with the improvement of the signal-to-noise ratios and detection limits 2-3 orders...
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Sociedade Brasileira de Química
2007-04-01
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Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422007000200038 |
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doaj-d99dde793a3e4306a462e59bdbc0bdac2020-11-24T21:09:46ZengSociedade Brasileira de QuímicaQuímica Nova0100-40421678-70642007-04-0130245846310.1590/S0100-40422007000200038Utilização da múltipla voltametria de onda quadrada na determinação eletroanalítica de compostos orgânicos e inorgânicos Use of the multiple square wave voltammetry in the electroanalytical determination of organic and inorganic compoundsDjenaine De SouzaAndressa GalliMarcelo L. CalegaroSergio A. S. MachadoRoberto C. Pires<abstract language="eng">This paper reports the development of multiple square wave voltammetry and the possibilities of its use for electroanalytical determinations of organic and inorganic compounds with the improvement of the signal-to-noise ratios and detection limits 2-3 orders of magnitude lower than those obtained with conventional square wave voltammetry. The theoretical aspects and analytical applications were demonstrated as an increased analytical response (current) and application of different pulse modes for different redox processes. Preliminary results obtained for several redox systems using different electrode surfaces are shown, demonstrating also that MSWV represents an excellent alternative for the determination of ultra-traces of organic and inorganic compounds.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422007000200038multiple square wave voltammetrymultiple pulsesanalytical sensitivity |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Djenaine De Souza Andressa Galli Marcelo L. Calegaro Sergio A. S. Machado Roberto C. Pires |
spellingShingle |
Djenaine De Souza Andressa Galli Marcelo L. Calegaro Sergio A. S. Machado Roberto C. Pires Utilização da múltipla voltametria de onda quadrada na determinação eletroanalítica de compostos orgânicos e inorgânicos Use of the multiple square wave voltammetry in the electroanalytical determination of organic and inorganic compounds Química Nova multiple square wave voltammetry multiple pulses analytical sensitivity |
author_facet |
Djenaine De Souza Andressa Galli Marcelo L. Calegaro Sergio A. S. Machado Roberto C. Pires |
author_sort |
Djenaine De Souza |
title |
Utilização da múltipla voltametria de onda quadrada na determinação eletroanalítica de compostos orgânicos e inorgânicos Use of the multiple square wave voltammetry in the electroanalytical determination of organic and inorganic compounds |
title_short |
Utilização da múltipla voltametria de onda quadrada na determinação eletroanalítica de compostos orgânicos e inorgânicos Use of the multiple square wave voltammetry in the electroanalytical determination of organic and inorganic compounds |
title_full |
Utilização da múltipla voltametria de onda quadrada na determinação eletroanalítica de compostos orgânicos e inorgânicos Use of the multiple square wave voltammetry in the electroanalytical determination of organic and inorganic compounds |
title_fullStr |
Utilização da múltipla voltametria de onda quadrada na determinação eletroanalítica de compostos orgânicos e inorgânicos Use of the multiple square wave voltammetry in the electroanalytical determination of organic and inorganic compounds |
title_full_unstemmed |
Utilização da múltipla voltametria de onda quadrada na determinação eletroanalítica de compostos orgânicos e inorgânicos Use of the multiple square wave voltammetry in the electroanalytical determination of organic and inorganic compounds |
title_sort |
utilização da múltipla voltametria de onda quadrada na determinação eletroanalítica de compostos orgânicos e inorgânicos use of the multiple square wave voltammetry in the electroanalytical determination of organic and inorganic compounds |
publisher |
Sociedade Brasileira de Química |
series |
Química Nova |
issn |
0100-4042 1678-7064 |
publishDate |
2007-04-01 |
description |
<abstract language="eng">This paper reports the development of multiple square wave voltammetry and the possibilities of its use for electroanalytical determinations of organic and inorganic compounds with the improvement of the signal-to-noise ratios and detection limits 2-3 orders of magnitude lower than those obtained with conventional square wave voltammetry. The theoretical aspects and analytical applications were demonstrated as an increased analytical response (current) and application of different pulse modes for different redox processes. Preliminary results obtained for several redox systems using different electrode surfaces are shown, demonstrating also that MSWV represents an excellent alternative for the determination of ultra-traces of organic and inorganic compounds. |
topic |
multiple square wave voltammetry multiple pulses analytical sensitivity |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422007000200038 |
work_keys_str_mv |
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