A reagentless renewable N,N `-diphenyl-p-phenylenediamine loaded sensor for hydrogen sulfide

M Thompson; NS Lawrence; J Davis; L Jiang; TGJ Jones; RG Compton

A reagentless renewable N,N `-diphenyl-p-phenylenediamine loaded sensor for hydrogen sulfide

M Thompson, NS Lawrence, J Davis, L Jiang, TGJ Jones, RG Compton

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	33-40
Journal	SENSORS AND ACTUATORS B-CHEMICAL
Volume	87
Issue number	1
Publication status	Published (in print/issue) - Nov 2002

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Cite this

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title = "A reagentless renewable N,N `-diphenyl-p-phenylenediamine loaded sensor for hydrogen sulfide",

abstract = "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.",

author = "M Thompson and NS Lawrence and J Davis and L Jiang and TGJ Jones and RG Compton",

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AU - Thompson, M

AU - Lawrence, NS

AU - Davis, J

AU - Jiang, L

AU - Jones, TGJ

AU - Compton, RG

PY - 2002/11

Y1 - 2002/11

N2 - 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.

AB - 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.

M3 - Article

VL - 87

SP - 33

EP - 40

JO - SENSORS AND ACTUATORS B-CHEMICAL

JF - SENSORS AND ACTUATORS B-CHEMICAL

IS - 1

ER -

A reagentless renewable N,N `-diphenyl-p-phenylenediamine loaded sensor for hydrogen sulfide

Abstract

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