Adsorptive stripping voltammetric determination of carbofuran in food using novel type of modified carbon-based electrode with grafted layers of nickel; Talanta; Vol. 267

Adsorptive stripping voltammetric determination of carbofuran in food using novel type of modified carbon-based electrode with grafted layers of nickel; Talanta; Vol. 267

Detalhes bibliográficos
Parent link:Talanta.— .— Amsterdam: Elsevier Science Publishing Company Inc.
Vol. 267.— 2024.— Article number 125116, 8 p.
Outros Autores: Solomonenko A. N. Anna Nikolaevna, Dorozhko E. V. Elena Vladimirovna, Barek J. Jiri, Korotkova E. I. Elena Ivanovna, Semin V. O. Viktor Olegovich, Erkovich A. V. Alina Vadimovna, Aseeva N. V. Natalya Valerevna
Resumo:Title screen
A voltammetric determination of carbofuran (CBF) was developed using a novel type of carbon-containing electrode (CCE) modified with carbon ink (CI) and a chromatographic sorbent (CS) based of chromaton (Ch), polyethylene glycol and nickel acetylacetonate with grafted layers of nickel (NiCS, stands for Ni modified CS) further denoted as CI/NiCS/CCE. The surface morphology of this modified electrode was investigated by scanning electron microscopy (SEM) and by electrochemical impedance spectroscopy (EIS). CBF which is not electrochemically oxidizable was first hydrolyzed in alkaline medium to give anodically active phenolic analogue CBFP. The electrochemical reactions of CBFP at CI/NiCS/CCE were studied in phosphate buffer (PB) by cyclic voltammetry (CV) and linear sweep adsorptive stripping voltammetry (LSAdSV) using linear scan voltammetry in the first derivative mode (LSVFD). Linear concentration dependences in the concentration ranges from 0.1 to 10 μM and from 10 to 100 μM were obtained by the LSAdSV with limit of detection (LOD) and limit of quantification (LOQ) 0.06 and 0.19 μM, respectively. The novel modified CI/NiCS/CCE showed good stability and selectivity and was successfully used to determine CBF in real samples of vegetables and fruits with LOD 0.01 mg kg−1
Текстовый файл
AM_Agreement
Idioma:inglês
Publicado em: 2024
Assuntos:
электронный ресурс
труды учёных ТПУ
carbofuran
nickel acetylacetonate
carbon ink
chromatographic sorbent
chromaton
adsorptive stripping voltammetry
linear scan voltammetry in the first derivative mode
Acesso em linha:https://doi.org/10.1016/j.talanta.2023.125116
Formato: Recurso Electrónico Capítulo de Livro
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=672803

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