The comparative electrochemistry of 2-mercaptothiazoline when using gold/quartz and modified silver/quartz electrodes, and its application in a flow-through voltammetric sensor

doi:10.1039/c3ay26205g

CNU IR > Pharmacy and Science > Dept. of Food & Drug Industry and Inspective Technology > Periodical Articles > Item 310902800/27941

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题名:	The comparative electrochemistry of 2-mercaptothiazoline when using gold/quartz and modified silver/quartz electrodes, and its application in a flow-through voltammetric sensor
作者:	Wang, Lai-Hao Chang, Yu-Hsuan
贡献者:	醫藥化學系
关键词:	Thioureido Type Compounds Acidic Aqueous-Solution Mercury(Ii) Ion Corrosion Layer Steel Derivatives Adsorption Inhibitors Monolayer
日期:	2013
上传时间:	2014-05-26 10:49:55 (UTC+8)
出版者:	Royal Soc Chemistry
摘要:	We studied the electrochemical behavior of 2-mercaptothiazoline (1,3-thiazolidine-2-thione) on silver (Ag)/quartz and gold (Au)/quartz electrodes electrochemically deposited it on silver metal film on Ag/quartz substrates, and investigated it using electrochemical quartz crystal microbalance (EQCM) analysis with AT-cut quartz crystals (9 MHz). We found that the electrocatalytic property of Ag/quartz was better than that of gold/quartz. In addition, 2-mercaptothiazoline was detected using high-performance liquid chromatography with an electrochemical (Ag) detector (HPLC-ECD). For direct current mode, with the current at a constant potential, and measurements with suitable experimental parameters, we found a linear concentration range from 0.01 to 0.80 mu g mL(-1). The lower limit of detection using our method was approximately 0.1 ng. Findings using HPLC-ECD and HPLC with an ultraviolet detector were comparable.
關聯:	Analytical Methods, v.5 n.6 pp.1407-1413
显示于类别:	[Dept. of Food & Drug Industry and Inspective Technology] Periodical Articles

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