Author: "Gheshlagi Mohammad" - Searchworks@Jio Institute Digital Library Search Results

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Author: Hosseinzadeh Reza, Gheshlagi Mohammad, Tahmasebi Rahele, and Hojjati Farnaz
Subjects: spectrophotometric study, surfactant, micellar solubilization, binding constant, partition coefficient, Chemistry, QD1-999
Published: 2009
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Author: Khorsandi, Khatereh, Hosseinzadeh, Reza, Gheshlagi, Mohammad, Khorsandi, Khatereh, Hosseinzadeh, Reza, and Gheshlagi, Mohammad
Abstract: Interaction of Alizarin Red-S dye with thiamin (vitaminB1) was studied using spectrophotometric method at room temperature and neutral pH. The yellowish color appeared due to the Alizarin Red-S interaction with vitamin B1. According to the Benesi-Hildebrand equation, the related equilibrium constant, Kb, for the interaction has been determined and the Gibbs free energy of interaction has been calculated. Also the Benesi-Hildebrand equation has been used for assay of vitamin B1 in tablets. Results show that the method has good sensitivity for vitamin B1 and is in good agreement with HPLC method.
Published: 2013

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