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   Use of tio 2 as catalyst in degradation induced with GAMMA radiation of methylene blue  
   
نویسنده gabriela g.c.-g. ,alma m.-h. ,jaime j.-b.
منبع journal of the chemical society of pakistan - 2012 - دوره : 34 - شماره : 3 - صفحه:533 -535
چکیده    Heterogeneous radiocatalysis is a catalytic process promoted by the direct adsorption of high radiant energy capable of activating a semiconductor such as tio2,which generates free radicals very reactive at the surface that allow oxidation-reduction reactions with adsorbed species,breaking some molecular bonds and reducing or oxidizing them less complex species. we irradiated methylene blue with 60co gamma rays and added of tio 2 during irradiation with different doses of gamma radiation,measuring the remaining methylene blue concentration by spectrophotometry uv. the degradation of the organic compound was enhanced when doses increased and with the addition of semiconductors of up to 1g of catalyst per liter of suspension.
کلیدواژه Degradation; Methylene blue; Radiocatalysis; Radiolysis
آدرس instituto tecnologico de toluca,institute tecnologico av. ex-rancho la virgen,metepec,estado de mexico c.p. 52140,mexico,institute nacional de investigaciones nucleares,apartado postal 18-1027,méxico, Mexico, instituto tecnologico de toluca,institute tecnologico av. ex-rancho la virgen,metepec,estado de mexico c.p. 52140,mexico,institute nacional de investigaciones nucleares,apartado postal 18-1027,méxico, Mexico, institute nacional de investigaciones nucleares,apartado postal 18-1027,méxico, Mexico
 
     
   
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