Determination of Glycerol in Biodiesel Using a Nickel(II) Oxyhydroxide Chemically Modified Electrode by Cyclic Voltammetry | Zendy

Pott Marinho Ballottin Daniela | Zendy; Lataro Paim Leonardo | Zendy; Ramos Stradiotto Nelson | Zendy

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Determination of Glycerol in Biodiesel Using a Nickel(II) Oxyhydroxide Chemically Modified Electrode by Cyclic Voltammetry

Author(s) -

Pott Marinho Ballottin Daniela,

Lataro Paim Leonardo,

Ramos Stradiotto Nelson

Publication year - 2013

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.201300090

Subject(s) - glycerol , nickel , biodiesel , cyclic voltammetry , detection limit , electrode , voltammetry , chemistry , glassy carbon , nuclear chemistry , inorganic chemistry , materials science , electrochemistry , chromatography , organic chemistry , catalysis

A glassy carbon electrode chemically modified with nickel oxyhydroxide from a nickel hexacyanoferrate (NiHCF) film was used to determine glycerol in biodiesel by cyclic voltammetry. The modified electrode exhibited a linear response to glycerol concentration in the range from 0.05 to 0.35 mmol L −1 , and a detection limit of 0.030 mmol L −1 . The glycerol concentration found in the biodiesel sample was 0.156 mmol L −1 . The method developed in this study showed a recovery of (100.3±5.0)%.

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