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Photocatalyzed degradation on a TiO2-coated quartz crystal microbalance. Adsorption/desorption processes in real time in the degradation of benzoic acid and salicylic acid

Paper ID Volume ID Publish Year Pages File Format Full-Text
52993 46895 2006 5 PDF Available
Title
Photocatalyzed degradation on a TiO2-coated quartz crystal microbalance. Adsorption/desorption processes in real time in the degradation of benzoic acid and salicylic acid
Abstract

The photocatalytic degradations of benzoic acid, phenol and salicylic acid were examined subsequent to in situ adsorption/desorption of the organic substrates on a TiO2-coated quartz crystal microbalance (QCM). The amount of substrate adsorbed from the bulk aqueous solution on the TiO2-coated QCM sensor was investigated at different pH under dark conditions. The order of adsorption was salicylic acid > phenol ∼ benzoic acid on the acidic side; phenol > benzoic acid > salicylic acid under neutral conditions; benzoic acid > phenol ∼ salicylic acid in alkaline media. Salicylic acid was an intermediate in the photodegradation of benzoic acid.

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Photocatalyzed degradation on a TiO2-coated quartz crystal microbalance. Adsorption/desorption processes in real time in the degradation of benzoic acid and salicylic acid
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 7, Issue 6, June 2006, Pages 331–335
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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