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Electrochemical behavior of 4-aminophenazone drug at a graphite pencil electrode and its application in real samples / Jayant I. Gowda in Industrial & engineering chemistry research, Vol. 51 N° 49 (Décembre 2012) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 51 N° 49 (Décembre 2012) . - pp. 15936-15941 Titre : Electrochemical behavior of 4-aminophenazone drug at a graphite pencil electrode and its application in real samples Type de document : texte imprimé Auteurs : Jayant I. Gowda, Auteur ; Sharanappa T. Nandibewoor, Auteur Année de publication : 2013 Article en page(s) : pp. 15936-15941 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Electrodes Résumé : An analytical method for the determination of 4-aminophenazone using cyclic and differential-pulse voltammetry has been developed. The oxidation process was shown to be irreversible over the pH range 3.0―11.2. The dependence of the current on pH, concentration, and scan rate was investigated to optimize the experimental conditions for the determination of 4-aminophenazone. The number of electrons transferred in the oxidation process was calculated, and a probable oxidation mechanism was proposed. In the range of ( 1.0 X 10―6)―(1.6 X 10―5) M, the current measured by differential-pulse voltammetry as a function of the concentration of 4-aminophenazone with a detection limit of 0.458 × 10―7 M with good selectivity and sensitivity exhibited a good linear relationship. The proposed method was applied to the determination of 4-aminophenazone in a real sample. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26732119 [article] Electrochemical behavior of 4-aminophenazone drug at a graphite pencil electrode and its application in real samples [texte imprimé] / Jayant I. Gowda, Auteur ; Sharanappa T. Nandibewoor, Auteur . - 2013 . - pp. 15936-15941. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 49 (Décembre 2012) . - pp. 15936-15941 Mots-clés : Electrodes Résumé : An analytical method for the determination of 4-aminophenazone using cyclic and differential-pulse voltammetry has been developed. The oxidation process was shown to be irreversible over the pH range 3.0―11.2. The dependence of the current on pH, concentration, and scan rate was investigated to optimize the experimental conditions for the determination of 4-aminophenazone. The number of electrons transferred in the oxidation process was calculated, and a probable oxidation mechanism was proposed. In the range of ( 1.0 X 10―6)―(1.6 X 10―5) M, the current measured by differential-pulse voltammetry as a function of the concentration of 4-aminophenazone with a detection limit of 0.458 × 10―7 M with good selectivity and sensitivity exhibited a good linear relationship. The proposed method was applied to the determination of 4-aminophenazone in a real sample. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26732119