Electrodetermination of Gallic Acid Using Multi-walled Carbon Nanotube Paste Electrodes and N-Octylpyridinium Hexafluorophosphate

Leyla Gidi; Jessica Honores; José Ibarra; María Jesús Aguirre; Roxana Arce; Galo Ramírez

doi:10.1002/elan.202100476

Electrodetermination of Gallic Acid Using Multi-walled Carbon Nanotube Paste Electrodes and N-Octylpyridinium Hexafluorophosphate

Leyla Gidi, Jessica Honores, José Ibarra, María Jesús Aguirre, Roxana Arce, Galo Ramírez

Exact Sciences School

Research output: Contribution to journal › Article › peer-review

Abstract

In this work, the determination of gallic acid was performed using surface-renewable carbon paste electrodes fabricated with multi-walled carbon nanotubes (MWCNT) and a mixture of N-octylpyridinium hexafluorophosphate (OPyPF₆) ionic liquid with mineral oil (MO) as binder. This system shows remarkable amperometric sensor characteristics and promotes a better electronic transfer. An electroanalytical study of gallic acid shows a linear range from 4.98±0.25 to 74.1±2.2 μmol L⁻¹, with R²=0.9958 and an experiment a limit of detection of 2.70±0.08 μmol L⁻¹ (S/N=3), and a sensitivity of 0.029 μA μmol⁻¹ L.

Original language	English
Journal	Electroanalysis
DOIs	https://doi.org/10.1002/elan.202100476
Publication status	Accepted/In press - 2022

ASJC Scopus subject areas

Analytical Chemistry
Electrochemistry

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1002/elan.202100476

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title = "Electrodetermination of Gallic Acid Using Multi-walled Carbon Nanotube Paste Electrodes and N-Octylpyridinium Hexafluorophosphate",

abstract = "In this work, the determination of gallic acid was performed using surface-renewable carbon paste electrodes fabricated with multi-walled carbon nanotubes (MWCNT) and a mixture of N-octylpyridinium hexafluorophosphate (OPyPF6) ionic liquid with mineral oil (MO) as binder. This system shows remarkable amperometric sensor characteristics and promotes a better electronic transfer. An electroanalytical study of gallic acid shows a linear range from 4.98±0.25 to 74.1±2.2 μmol L−1, with R2=0.9958 and an experiment a limit of detection of 2.70±0.08 μmol L−1 (S/N=3), and a sensitivity of 0.029 μA μmol−1 L.",

author = "Leyla Gidi and Jessica Honores and Jos{\'e} Ibarra and {Jes{\'u}s Aguirre}, Mar{\'i}a and Roxana Arce and Galo Ram{\'i}rez",

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year = "2022",

doi = "10.1002/elan.202100476",

language = "English",

journal = "Electroanalysis",

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TY - JOUR

T1 - Electrodetermination of Gallic Acid Using Multi-walled Carbon Nanotube Paste Electrodes and N-Octylpyridinium Hexafluorophosphate

AU - Gidi, Leyla

AU - Honores, Jessica

AU - Ibarra, José

AU - Jesús Aguirre, María

AU - Arce, Roxana

AU - Ramírez, Galo

PY - 2022

Y1 - 2022

N2 - In this work, the determination of gallic acid was performed using surface-renewable carbon paste electrodes fabricated with multi-walled carbon nanotubes (MWCNT) and a mixture of N-octylpyridinium hexafluorophosphate (OPyPF6) ionic liquid with mineral oil (MO) as binder. This system shows remarkable amperometric sensor characteristics and promotes a better electronic transfer. An electroanalytical study of gallic acid shows a linear range from 4.98±0.25 to 74.1±2.2 μmol L−1, with R2=0.9958 and an experiment a limit of detection of 2.70±0.08 μmol L−1 (S/N=3), and a sensitivity of 0.029 μA μmol−1 L.

AB - In this work, the determination of gallic acid was performed using surface-renewable carbon paste electrodes fabricated with multi-walled carbon nanotubes (MWCNT) and a mixture of N-octylpyridinium hexafluorophosphate (OPyPF6) ionic liquid with mineral oil (MO) as binder. This system shows remarkable amperometric sensor characteristics and promotes a better electronic transfer. An electroanalytical study of gallic acid shows a linear range from 4.98±0.25 to 74.1±2.2 μmol L−1, with R2=0.9958 and an experiment a limit of detection of 2.70±0.08 μmol L−1 (S/N=3), and a sensitivity of 0.029 μA μmol−1 L.

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DO - 10.1002/elan.202100476

M3 - Article

AN - SCOPUS:85122755218

JO - Electroanalysis

JF - Electroanalysis

SN - 1040-0397

ER -

Electrodetermination of Gallic Acid Using Multi-walled Carbon Nanotube Paste Electrodes and N-Octylpyridinium Hexafluorophosphate

Abstract

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UN SDGs

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