Electrochemical reduction of selenium on a silver electrode and its determination in river water

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Title:	Electrochemical reduction of selenium on a silver electrode and its determination in river water
Authors:	Wang, Lai-Hao Shan, Xi-En
Contributors:	Chia Nan Univ Pharm & Sci, Dept Med Chem
Keywords:	flow-through voltammetric sensor silver electrode selenium river water chromatography
Date:	2016-09
Issue Date:	2018-01-18 11:39:34 (UTC+8)
Publisher:	Maik Nauka/Interperiodica/Springer
Abstract:	A new, simple, and fast method is described for determining selenium based on a silver wire electrode flow-through voltammetric detector. A comparison was done between the sensitivity of disk silver, mercury-modified glassy carbon, and mercury-modified gold electrodes. The response of the flow-through voltammetric detector was evaluated with respect to each electrode's operating potential and pH in direct current mode. The limit of detection (3s) for Se(IV) was below 0.01 mg/L. The flow-through system does not need deposition times and the organic matter does not need to be removed before determining selenium in river water.
Relation:	Journal of Analytical Chemistry, v.71 n.9, pp.917-925
Appears in Collections:	[Dept. of Food & Drug Industry and Inspective Technology] Periodical Articles

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