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A comparison between pulsed sonovoltammetry and low power laser activated voltammetry for the electroanalysis of ascorbic acid in a commercial fruit drink

Abstract:

A comparison is made between two 'dual activation' electroanalytical techniques for the detection and measurement of vitamin C (L-ascorbic acid) in a commercially available fruit drink via its two electron oxidation at platinum electrodes. Glucose is found not to interfere with the analytical response. First in sonovoltammetry pulses of 25 Wcm-2 are applied and the current response characterized in the 'pulse off' period where a current plateau is attained. Second in laser activated voltammet...

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Publication status:
Published

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Authors


Akkermans, RP More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Journal:
ELECTROANALYSIS
Volume:
10
Issue:
12
Pages:
814-820
Publication date:
1998-09-05
DOI:
EISSN:
1521-4109
ISSN:
1040-0397
URN:
uuid:7c7c5ebe-3736-48fe-af08-fd638926f02e
Source identifiers:
36722
Local pid:
pubs:36722

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