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

Abstract:

The electrochemically induced reaction of sodium sulfide with N,N′-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 20-200μM with a limit of detection of 18μM. The low solubility of DPPD has been exploited further by incorporating the species in the des...

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Publication status:
Published

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Authors


Thompson, M More by this author
Lawrence, NS More by this author
Jones, TGJ More by this author
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Journal:
SENSORS AND ACTUATORS B-CHEMICAL
Volume:
87
Issue:
1
Pages:
33-40
Publication date:
2002-11-15
DOI:
ISSN:
0925-4005
URN:
uuid:1d18e320-f04d-408b-8c42-04111444f172
Source identifiers:
38487
Local pid:
pubs:38487

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