Factorial design and response surface: voltammetri... - BV FAPESP
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(Reference retrieved automatically from SciELO through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Factorial design and response surface: voltammetric method optimization for the determination of ag(i) employing a carbon nanotubes paste electrode

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Author(s):
Fernando Campanhã Vicentini [1] ; Luiz Carlos Soares Figueiredo-Filho [2] ; Bruno C. Janegitz [3] ; Aline Santiago [4] ; Edenir Rodrigues Pereira-Filho [5] ; Orlando Fatibello-Filho [6]
Total Authors: 6
Affiliation:
[1] Universidade Federal de São Carlos. Departamento de Química - Brasil
[2] Universidade Federal de São Carlos. Departamento de Química - Brasil
[3] Universidade Federal de São Carlos. Departamento de Química - Brasil
[4] Universidade Federal de São Carlos. Departamento de Química - Brasil
[5] Universidade Federal de São Carlos. Departamento de Química - Brasil
[6] Universidade Federal de São Carlos. Departamento de Química - Brasil
Total Affiliations: 6
Document type: Journal article
Source: Química Nova; v. 34, n. 5, p. 825-830, 2011-00-00.
Abstract

A factorial design applied in a voltammetric stripping method for the measurement of Ag(I) in natural water is described. The procedure is based on the effective pre-concentration of silver ions on electrode surface. The calibration graph was linear in the silver concentration range from 7.92 x 10"7 to 1.07 x 10"5 mol L"1 with a detection limit of 3.81 x 10-7 mol L-1. The determination of Ag(I) in natural water samples was carried out satisfactory with the proposed electrode. (AU)

FAPESP's process: 08/09893-0 - DEVELOPMENT OF BIOSENSORS USING CARBON NANOTUBE AND NANOPARTICLES
Grantee:Bruno Campos Janegitz
Support Opportunities: Scholarships in Brazil - Doctorate
FAPESP's process: 07/04515-4 - Combination of atomic absorption spectrometry with sequential determination and thermospray flame furnace atomic absorption spectrometry
Grantee:Edenir Rodrigues Pereira Filho
Support Opportunities: Regular Research Grants
FAPESP's process: 08/07529-9 - Development of mini-sensor of bismuth film for the in situ voltammetric determination of paraquat and atrazina in natural waters
Grantee:Luiz Carlos Soares de Figueiredo Filho
Support Opportunities: Scholarships in Brazil - Master