Thompson, M, Lawrence, NS, Davis, J, Jiang, L, Jones, TGJ and Compton, RG (2002) A reagentless renewable N,N `-diphenyl-p-phenylenediamine loaded sensor for hydrogen sulfide. SENSORS AND ACTUATORS B-CHEMICAL, 87 (1). pp. 33-40. [Journal article]
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The electrochemically induced reaction of sodium sulfide with N,N-1-diphenyl-p-phenylenediamine (DPPD) has been studied in aqueous solutions (pH 1-7) at glassy carbon (GC) electrodes. The DPPD indicator has been shown to form a thin film on the electrode surface capable of sensing sulfide at the triple phase boundary (DPPD/electrolyte/electrode) in the range 20-200 muM with a limit of detection of 18 muM. The low solubility of DPPD has been exploited further by incorporating the species in the design of a modified renewable carbon-epoxy electrode whereby the detection process can occur in an inexpensively constructed device suitable for single shot determinations. (C) 2002 Elsevier Science B.V. All rights reserved.
|Item Type:||Journal article|
|Faculties and Schools:||Faculty of Computing & Engineering|
Faculty of Computing & Engineering > School of Engineering
|Research Institutes and Groups:||Engineering Research Institute|
Engineering Research Institute > Nanotechnology & Integrated BioEngineering Centre (NIBEC)
|Deposited By:||Professor James Davis|
|Deposited On:||01 Jul 2010 08:43|
|Last Modified:||18 Aug 2011 10:19|
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