Reisi, Mohammad Reza (2009) Synthesis, characterization, and photocatalytic degradation of some organotin compounds / Mohammad Reza Reisi. PhD thesis, University of Malaya.
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Abstract
Organotin compounds (OTCs) are the compounds that have at least one C- Sn bond. Some of the organotin compounds are hazardous to the environment. This is particularly true for tributyltin chloride (TBTCl) which has been used as antifouling agent on painting of the ships. This compound caused hazardous problems for marine environment. In this work, photo-degradation of this compound in water was performed by ultraviolet irradiation, ultraviolet irradiation in the presence of TiO2 and ultraviolet irradiation in the presence of a mixture of TiO2 and polyoxometallate (POM). The rate of photo-degradation reaction of TBTCl was investigated and rate of reactions were measured and compared to similar degradation investigated. The photo-catalytic activity of different types of nano TiO2 namely anatase, rutile and Degussa P25 for the degradation of TBTCl was also investigated and the rate constant of the reactions were measured and discussed. The second part of this dissertation involved the preparation and structural study of a series of dibutyltin carboxylates and dibutyltin complexes of Schif bases namely [2- Salicylideniminato-2-(hydroxymethyl)-1, 3-dihydrxypropane] (saltris) , 5-chlorosaltris, 5-bromo saltris, and 5-nitrosaltris. These complexes were characterized by melting point determination, elemental analysis, IR and 1H, 13C and 119Sn NMR spectroscopies. Single–crystal X-ray diffraction was used to study and analyse the molecular structures of three organotin compounds prepared.
| Item Type: | Thesis (PhD) |
|---|---|
| Additional Information: | Thesis (Ph.D) -- Jabatan Kimia, Fakulti Sains, Universiti Malaya, 2009 |
| Uncontrolled Keywords: | Organotin compounds |
| Subjects: | Q Science > Q Science (General) Q Science > QD Chemistry |
| Divisions: | Faculty of Science |
| Depositing User: | Mrs Nur Aqilah Paing |
| Date Deposited: | 17 Oct 2014 15:53 |
| Last Modified: | 17 Oct 2014 15:53 |
| URI: | http://studentsrepo.um.edu.my/id/eprint/4399 |
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