2D-ReS2 & diamond nanoparticles-based sensor for the simultaneous determination of sunset yellow and tartrazine in a multiple-pulse amperometry FIA system
Entity
UAM. Departamento de Química Analítica y Análisis InstrumentalPublisher
ElsevierDate
2023-06-20Citation
10.1016/j.talanta.2023.124842
Talanta 265 (2023): 124842
ISSN
0039-9140 (print); 1873-3573 (online)DOI
10.1016/j.talanta.2023.124842Funded by
The authors acknowledge financial support from projects PID2020- 113142RB-C21 and PID2020-113142RB-C22 and TED2021-129416 AI00 funded by MCIN/AEI/10.13039/501100011033 and P2018/NMT4349 (TRANSNANOAVANSENS-CM) funded by the Comunidad Autonoma ´ de Madrid. We thank L. Chico for fruitful discussionsProject
Gobierno de España. TED2021-129416A-I00Editor's Version
https://doi.org/10.1016/j.talanta.2023.124842Subjects
Colourants; Diamond nanoparticles; Flow injection analysis with multiple-pulse amperometry detection; Jelly sample; Rhenium disulfide; Transition metal dichalcogenides; QuímicaRights
© 2023 The AuthorsEsta obra está bajo una licencia de Creative Commons Reconocimiento-NoComercial-SinObraDerivada 4.0 Internacional.
Abstract
We present a flow injection system with a multiple pulse amperometric detection (FIA-MPA)-based methodology
for the simultaneous analysis of sunset yellow and tartrazine. As transducer, we have developed a novel electrochemical sensor based on the synergistic effect of ReS2 nanosheets and diamond nanoparticles (DNPs). Among
several transition dichalcogenides for the sensor development, we have selected ReS2 nanosheets since it yields a
better response towards both colourants. Scanning probe microscopy characterization shows that the surface
sensor is composed by scattered and stacked ReS2 flakes and large aggregates of DNPs. With this system, the gap
between the oxidation potential values of sunset yellow and tartrazine is wide enough to allow the simultaneous
determination of both dyes. Under the optimum potential pulse conditions (0.8 and 1.2 V) during 250 ms, a flow
rate of 3 mL/min and a volume injection of 250 μL, detection limits of 3.51 × 10− 7 M and 2.39 × 10− 7 M for
sunset yellow and tartrazine, respectively, were obtained. This method exhibits good accuracy and precision with
Er minor than 13% and RSD lower than 8% with a sampling frequency of 66 samples per hour. Pineapple jelly
samples were analyzed by the standard addition method, obtaining 53.7 mg/kg and 29.0 mg/kg of sunset yellow
and tartrazine, respectively. From the analysis of fortified samples, recoveries of 94% and 105% were obtained
Files in this item
Google Scholar:Garsed, Ricardo
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Vázquez de Frutos, Luis
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Casero Junquera, María Elena
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Petit Domínguez, María Dolores
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Quintana Mani, María del Carmen
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Pozo Vázquez, María del
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