Electrochemical Determination of Caffeine Content in Ethiopian Coffee Samples Using Lignin Modified Glassy Carbon Electrode

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Amare, Meareg; Aklog, Senait; (2017)
  • Publisher: Hindawi
  • Journal: Journal of Analytical Methods in Chemistry,volume 2,017 (issn: 2090-8865, eissn: 2090-8873)
  • Related identifiers: doi: 10.1155/2017/3979068, pmc: PMC5420419
  • Subject: Chemistry | Research Article | QD1-999 | Article Subject

Lignin film was deposited at the surface of glassy carbon electrode potentiostatically. In contrast to the unmodified glassy carbon electrode, an oxidative peak with an improved current and overpotential for caffeine at modified electrode showed catalytic activity of th... View more
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