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The hyphenated CSPT-potentiometric analytical system: An application for vegetable oil quality control
University Roma Tor Vergata.
University Roma Tor Vergata.
University Roma Tor Vergata.
University Roma Tor Vergata.
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2009 (English)In: SENSORS AND ACTUATORS B-CHEMICAL, ISSN 0925-4005, Vol. 142, no 2, 457-463 p.Article in journal (Refereed) Published
Abstract [en]

The computer screen photo assisted technique (CSPT) has been used to develop a hyphenated optical-potentiometric sensing at-ray, based on porphyrinoid materials dispersed into PVC membranes. Sensing layers have been deposited onto indium tin oxide (ITO) glass slides, which were exploited as electrodes, for potentiometric measurements, and chromophore spots, to obtain CSPT data. Both measurements were contemporaneously carried out in the hyphenated sensing platform. The performances of the hyphenated sensing array were first tested for the detection of model analytes, characteristics of vegetable oil matrices, and then evaluated in the discrimination of real samples of olive and seed oils. The results obtained demonstrated that the hyphenated system affords a significant improvement of information and oils classification with respect to the individual potentiometric and optical components.

Place, publisher, year, edition, pages
2009. Vol. 142, no 2, 457-463 p.
Keyword [en]
Multispectral imaging, Potentiometry, Ion selective electrodes, Hyphenated system
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-52396DOI: 10.1016/j.snb.2009.05.022OAI: diva2:285050
Available from: 2010-01-11 Created: 2009-12-18 Last updated: 2010-01-11

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Filippini, DanielLundström, Ingemar
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Applied Physics The Institute of Technology
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ReferencesLink to record
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