| Photodegradation kinetics of some thiols and thiones in aqueous suspension of zinc oxide. | |
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MedLine Citation:
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PMID: 16856757 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Photodegradation of several thiols and thiones including 2-pyrimidinethiol, thiazolidine-2-thione, imidazolidine-2-thione, 1,2,4- triazole 3-thiol and 2,5-dimercapto- 1,3,4-thiadiazole have been studied in aerated aqueous solution using zinc oxide under irradiation with 400W high pressure mercury lamp. Rate constants span the range from 2.44 x 10(-2) min x (-1) to 1.76 x 10(-1) min x (-1). The slower degradation rate of 2-imidazoline 2-thione could be related to oxidation potential of the corresponding ring. The Langmuir-Hinshelwood (L-H) rate constant k(r) and adsorption constant, (KA) for all five thiols and thiones are reported. |
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Authors:
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Morteza Montazerozohori; Bahador Karami; Mohammad Hossein Habibi; Jong-Ha Choi |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Annali di chimica Volume: 96 ISSN: 0003-4592 ISO Abbreviation: Ann Chim Publication Date: 2006 May-Jun |
Date Detail:
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Created Date: 2006-07-21 Completed Date: 2006-10-20 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 7610375 Medline TA: Ann Chim Country: Italy |
Other Details:
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Languages: eng Pagination: 285-92 Citation Subset: IM |
Affiliation:
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Chemistry Department, Yasouj University, Yasouj 75914-353, Iran. mmzohori@mail.yu.ac.ir |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adsorption Imidazoles / chemistry Kinetics Oxidation-Reduction Photochemistry Photolysis* Sulfhydryl Compounds / chemistry, metabolism* Thiadiazoles / chemistry Thiones / chemistry, metabolism* Water / chemistry* Zinc Oxide / chemistry* |
| Chemical | |
Reg. No./Substance:
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0/Imidazoles; 0/Sulfhydryl Compounds; 0/Thiadiazoles; 0/Thiones; 1314-13-2/Zinc Oxide; 504-75-6/2-imidazoline; 7732-18-5/Water |
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