FAD: Techniques

Contact Info

Stuart Chalk, Ph.D.
Department of Chemistry
University of North Florida
Phone: 1-904-620-1938
Fax: 1-904-620-3535
Email: schalk@unf.edu
Website: @unf

Electrode

Classification: Electrode -> nickel -> wire

Citations 2

'Anodic Amperometry And Kinetics Of 2 To 4-carbon Glycols At The Nickel Electrode', Anal. Chim. Acta, 1988 208(1-2) 247-254

"Anodic Amperometry And Kinetics Of 2 To 4-carbon Glycols At The Nickel Electrode"
Anal. Chim. Acta 1988 Volume 208, Issue 1-2 Pages 247-254

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Nader Botros and Calvin O. Huber

Abstract: Anodic amperometry of nine C3 and C4 alcohols and diols, plus ethanediol and glycerol, was studied at +0.55 V (vs. the SCE) in 0.1 M NaOH containing suspended Ni(OH)2 (from adding 10 mM NiSO4). The flow injection cell contained a 10-mm Ni-wire (0.64 mm diameter) working electrode and a 20-mm Pt-wire auxiliary electrode. The upper limit of rectilinearity (peak current vs. concentration.) was ~0.25 mM and the lower detection limit was 0.2 µM (propane-1,3-diol). Primary alcohols yielded larger current sensitivities than secondary alcohols.

Alcohols, primary Alcohols, secondary Butanol, 1- 2-Propanol 1-Propanol Diols 1,1-Ethanediol Glycerol Apparatus Kinetic Sensitivity

'Flow Injection, Amperometric Determination Of Ethanol In Wines After Solid-phase Extraction', Electroanalysis, 1997 9(7) 541-543

"Flow Injection, Amperometric Determination Of Ethanol In Wines After Solid-phase Extraction"
Electroanalysis 1997 Volume 9, Issue 7 Pages 541-543

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Zuliang Chen, Ji Jin Yu, D. Brynn Hibbert*

Abstract: Wine (0.5 ml) was diluted with water (1 ml) and purified on a Super Clean LC-SAX anion exchange-cartridge by elution with 2 mL water. A portion of the eluate was injected into a stream (0.5 ml/min) of 0.1 M NaOH of a FIA system. Detection was effected with a Ni wire working electrode, a Ag/AgCl reference electrode and a Pt wire counter electrode. A potential of +0.6 V was applied to the working electrode. The detection limit was 1 µM-ethanol. The response was linear up to 1 mM. Recoveries ranged from 100.8-102.9%.

Ethanol Wine Extraction