Determination of 2-amino-5-nitrothiazole by square-wave cathodic stripping voltammetry

Autor: M. J. González de la Huebra, Lucas Hernández, Pedro Hernández, José Vicente, Manuel H. Blanco
Rok vydání: 1995
Předmět:
Zdroj: Fresenius' Journal of Analytical Chemistry. 351:686-688
ISSN: 1618-2650
0937-0633
DOI: 10.1007/bf00323349
Popis: An electrochemical method has been developed for the detection and determination of 2-amino-5-nitrothiazole (2,5-ANT) by adsorption square-wave voltammetric stripping. The best sensitivity/resolution ratio was obtained by adsorption at pH 8.0 using a phosphate buffer, an accumulation potential of −10 mV (vs. Ag/AgCl 3 mol/l) and an accumulation time of 15 s. Under these conditions, the proposed method provides a linear electrode response over the 2,5-ANT concentration range 5–300 ng ml−1, and a detection and determination limit of 4 and 7.5 ng ml−1, respectively. The method was applied to the determination of 2,5-ANT in bacon.
Databáze: OpenAIRE