OcrV1, Main, Exploration, bibRecord, 000317

Electroanalytical determination of the sunscreen agent octocrylene in cosmetic products

Identifieur interne : 000317 ( Main/Exploration ); précédent : 000316; suivant : 000318

Electroanalytical determination of the sunscreen agent octocrylene in cosmetic products

Auteurs : J. B. G. Junior [Brésil] ; T. A. Araujo [Brésil] ; M. A. G. Trindade [Brésil] ; V. S. Ferreira [Brésil]

Source :

International journal of cosmetic science [ 0142-5463 ] ; 2012.

RBID : Pascal:12-0361186

Descripteurs français

Pascal (Inist)
- Analyse quantitative, Produit antisolaire, Octocrilène, Cosmétique, Electrode, Analyse chimique, Carbone, Etat vitreux, Réduction chimique, Onde carrée, Voltammétrie, Détecteur électrochimique, Réaction électrochimique.
Wicri :
- topic : Analyse quantitative, Carbone.

English descriptors

KwdEn :
- Carbon, Chemical analysis, Chemical reduction, Cosmetic, Electrochemical detector, Electrochemical reaction, Electrodes, Glassy state, Octocrilene, Quantitative analysis, Square wave, Sunscreen product, Voltammetry.

Abstract

An electroanalytical method was developed to detect and quantify the sunscreen agent octocrylene (OCR) in cosmetic products. The method was based on electrochemical reduction, using voltammetric techniques. OCR was reduced at -0.97 V vs. Ag/AgCl on a glassy carbon electrode using a mixture of Britton-Robinson buffer (0.04 mol L^-1) and ethanol (7: 3, v/v) as the supporting electrolyte solution. Under optimized conditions and square-wave voltammetry. OCR response was linear from 5.0 x 10^-6 to 8.0 x 10-⁵ mol L^-1 (r = 0.9995), with a limit of detection of 2.8 x 10^-6 mol L^-1. The proposed electroanalytical method proved simple, fast and suitable for detection and quantification of OCR in samples of cosmetic products, with satisfactory results in the recovery test and analytical determination in real samples.

Affiliations:

Brésil

Links toward previous steps (curation, corpus...)

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to stream PascalFrancis, to step Checkpoint: 000079
to stream Main, to step Merge: 000320
to stream Main, to step Curation: 000317

Le document en format XML

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<front><div type="abstract" xml:lang="en">An electroanalytical method was developed to detect and quantify the sunscreen agent octocrylene (OCR) in cosmetic products. The method was based on electrochemical reduction, using voltammetric techniques. OCR was reduced at -0.97 V vs. Ag/AgCl on a glassy carbon electrode using a mixture of Britton-Robinson buffer (0.04 mol L<sup>-1</sup>
) and ethanol (7: 3, v/v) as the supporting electrolyte solution. Under optimized conditions and square-wave voltammetry. OCR response was linear from 5.0 x 10<sup>-6</sup>
 to 8.0 x 10-<sup>5</sup>
 mol L<sup>-1</sup>
 (r = 0.9995), with a limit of detection of 2.8 x 10<sup>-6</sup>
 mol L<sup>-1</sup>
. The proposed electroanalytical method proved simple, fast and suitable for detection and quantification of OCR in samples of cosmetic products, with satisfactory results in the recovery test and analytical determination in real samples.</div>
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Electroanalytical determination of the sunscreen agent octocrylene in cosmetic products

Electroanalytical determination of the sunscreen agent octocrylene in cosmetic products

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri