Photochemistry
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This work was made to study the photochemistry of riboflavin and the kinetics of riboflavin degradation after exposure to UV-Vis light phosphate buffer solution at different pH interval (2-10) with the same concentration (5x10-5M ) was studied by the of UV-Vis spectrophotoscopy analyses, it showed that degradation increase as pH increase from pH (2-7)where the lumichrome a photoderivative forms in the acidic medium. a maximum degradation occurs at neutral pH (7). Then it began to decrease from pH (7-10). Where the lumiflavine (a photoderivative occurs at basic media) formed. We also calculated the quantum yield of this decomposition and found that an increasing occur from pH (2-7) (1.902x10-4-6.020x10-4) then a decrease occur from pH (7-10) (6.020x10-4- 1.266x10-4) as well as the reactivity ratio."
Format:Paperback
Language:English
ISBN:3659513008
ISBN13:9783659513008
Release Date:January 2014
Publisher:LAP Lambert Academic Publishing
Length:88 Pages
Weight:0.31 lbs.
Dimensions:0.2" x 6.0" x 9.0"
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