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Trace detection of mercury(II) using gold ultra-microelectrode arrays

Abstract:

The electroanalytical detection of trace mercury(II) at gold ultra-microelectrode arrays is reported. The arrays consist of 256 gold microelectrodes of 5 μM in diameter in cubic arrangements which are separated from their nearest neighbor by 100 μm. The array was utilized in nitric acid using linear sweep voltammetry where a linear response from mercury additions over the range 10 μg L-1 - 200 μg L-1 (10 -8 - 10-6 M) was observed with a sensitivity and detection limit of 0.11 nC/μg L-1 and 3....

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Publication status:
Published

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Publisher copy:
10.1002/elan.200503437

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Role:
Author
Journal:
ELECTROANALYSIS
Volume:
18
Issue:
6
Pages:
573-578
Publication date:
2006-03-05
DOI:
EISSN:
1521-4109
ISSN:
1040-0397
URN:
uuid:7ebb5e82-53ca-480d-a4ea-61f6f5876d9a
Source identifiers:
39848
Local pid:
pubs:39848

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