Differential pulse voltammetric determination of 4-nitroaniline using a glassy carbon electrode: Comparative study between cathodic and anodic quantification

Rene Pfeifer, Priscila Tamiasso-Martinhon, Célia Sousa, Josino Costa Moreira, Marco Antônio Chaer Do Nascimento, Jíři Barek

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Differential pulse voltammetry with a glassy carbon electrode was used for the determination of trace amounts of 4-nitroaniline in Britton-Robinson buffer at pH 2.0 as an optimal base electrolyte. 4-Nitroaniline can be determined by differential pulse voltammetry directly using either its electrochemical oxidation or reduction. The calibration curve was measured for both reactions in the same concentration range from 2 to 100 μmol dm-3. The calculated limits of detection and quantification are 0.2 and 0.7 μmol dm-3 (RSD 6.62 % and R 2 = 0.9906 for n = 5) for cathodic reduction and 0.3 and 1.0 μmol dm-3 (RSD 7.62 % and R 2 = 0.9995 for n = 5) for anodic oxidation.

Original languageEnglish
Pages (from-to)111-118
Number of pages8
JournalMonatshefte fur Chemie
Volume147
Issue number1
DOIs
Publication statusPublished - 1 Jan 2016
Externally publishedYes

Fingerprint

Glassy carbon
Voltammetry
Electrodes
Electrochemical oxidation
Anodic oxidation
Electrolytes
Buffers
Calibration
4-nitroaniline

Keywords

  • Nitro aromatic compounds
  • Oxidations
  • Reductions
  • Voltammetry

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Differential pulse voltammetric determination of 4-nitroaniline using a glassy carbon electrode : Comparative study between cathodic and anodic quantification. / Pfeifer, Rene; Tamiasso-Martinhon, Priscila; Sousa, Célia; Moreira, Josino Costa; Do Nascimento, Marco Antônio Chaer; Barek, Jíři.

In: Monatshefte fur Chemie, Vol. 147, No. 1, 01.01.2016, p. 111-118.

Research output: Contribution to journalArticle

Pfeifer, Rene ; Tamiasso-Martinhon, Priscila ; Sousa, Célia ; Moreira, Josino Costa ; Do Nascimento, Marco Antônio Chaer ; Barek, Jíři. / Differential pulse voltammetric determination of 4-nitroaniline using a glassy carbon electrode : Comparative study between cathodic and anodic quantification. In: Monatshefte fur Chemie. 2016 ; Vol. 147, No. 1. pp. 111-118.
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