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Microwave driven ultraviolet photo-decomposition of organophosphate species

Microwave driven ultraviolet photo-decomposition of organophosphate species
Microwave driven ultraviolet photo-decomposition of organophosphate species
A novel beaker shaped electrodeless ultraviolet lamp, excited by the radiation of a conventional microwave oven, has been employed in the breakdown of organophosphate compounds in preparation for colorimetric phosphate determination. This new approach offers a highly rapid method of organophosphate decomposition prior to their analysis, with complete breakdown being achieved within 3 min. When evaluated using a number of inorganic and organophosphate compounds, quantitative release of phosphate from a carbon oxygen bond was achieved. Photo-oxidation of the organic triphosphate adenosine 5'-triphosphate results in the release of triphosphate that can then be broken down to three orthophosphate units by acid hydrolysis.
flow-injection analysis, total phosphorus, induced digestion, total nitrogen, waters, wastewaters
141-143
Howard, A. G.
60e83c21-d0fa-457a-ad55-8e9cbe80561f
Labonne, L.
00f7d362-d6e8-4fec-bf00-09954703e785
Rousay, E.
096fe12e-2eac-4a63-92d8-945517c09d48
Howard, A. G.
60e83c21-d0fa-457a-ad55-8e9cbe80561f
Labonne, L.
00f7d362-d6e8-4fec-bf00-09954703e785
Rousay, E.
096fe12e-2eac-4a63-92d8-945517c09d48

Howard, A. G., Labonne, L. and Rousay, E. (2001) Microwave driven ultraviolet photo-decomposition of organophosphate species. Analyst, 126 (2), 141-143. (doi:10.1039/b010242n).

Record type: Article

Abstract

A novel beaker shaped electrodeless ultraviolet lamp, excited by the radiation of a conventional microwave oven, has been employed in the breakdown of organophosphate compounds in preparation for colorimetric phosphate determination. This new approach offers a highly rapid method of organophosphate decomposition prior to their analysis, with complete breakdown being achieved within 3 min. When evaluated using a number of inorganic and organophosphate compounds, quantitative release of phosphate from a carbon oxygen bond was achieved. Photo-oxidation of the organic triphosphate adenosine 5'-triphosphate results in the release of triphosphate that can then be broken down to three orthophosphate units by acid hydrolysis.

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More information

Published date: 2001
Keywords: flow-injection analysis, total phosphorus, induced digestion, total nitrogen, waters, wastewaters

Identifiers

Local EPrints ID: 19523
URI: http://eprints.soton.ac.uk/id/eprint/19523
PURE UUID: 9ec739c6-ce91-4476-897c-864c576318d8

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Date deposited: 13 Feb 2006
Last modified: 15 Jul 2019 19:27

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