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Electroanalysis of Bromate, iodate and chlorate at tungsten oxide modified platinum microelectrode arrays

Abstract:

This article describes the direct detection of Bromate, but also of chlorate and iodate, using modified arrays of platinum ultramicroelectrodes. The detection limits for these ions are IO3- = 0.76 μM; BrO3- = 2.34 μM and ClO3- = 133.2 μM. The formation of a suitable tungsten oxide layer and the optimum analytical conditions are described. These oxide layers are formed electrochemically from hydrogen peroxide-tungstanate solutions in acid conditions. Although film stability may be an issue, pa...

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Publication status:
Published

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Publisher copy:
10.1002/elan.200603570

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Journal:
ELECTROANALYSIS
Volume:
18
Issue:
17
Pages:
1672-1680
Publication date:
2006-09-05
DOI:
EISSN:
1521-4109
ISSN:
1040-0397
URN:
uuid:9198d1c0-2841-4fdb-83fa-853746ba2719
Source identifiers:
40083
Local pid:
pubs:40083

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