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Kinetic–spectrophotometric determination of ascorbic acid by inhibition of the hydrochloric acid–bromate reaction

Authors: Ali A Ensafi, B Rezaei, H Movahedinia
Publication date: 2002/10/31
Journal name: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Volume:: 58
Pages: 2589-2594
Publisher: Elsevier
 
A new analytical method was developed for the determination of ascorbic acid in fruit juice
and pharmaceuticals. The method is based on its inhibition effect on the reaction between
hydrochloric acid and bromate. The decolourisation of Methyl Orange by the reaction
products was used to monitor the reaction spectrophotometrically at 510 nm. The linearity
range of the calibration graph depends on bromate concentration. The variable affecting the
rate of the reaction was investigated. The method is simple, rapid, relatively sensitive and ...

 

Journal Papers
Month/Season: 
October
Year: 
2002

تحت نظارت وف ایرانی

Kinetic–spectrophotometric determination of ascorbic acid by inhibition of the hydrochloric acid–bromate reaction | Prof. Ali A. Ensafi

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تحت نظارت وف ایرانی