European Journal of Chemistry

Kinetic fluorimetric determination of Mesna (Sodium-2-mercaptoethane sulfonate) in drug products through oxidation with cerium(IV)

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Mohamed Rizk
Elham Anwer Taha
Shereen Mowaka
Youmna Mosaad Abdallah


A simple and sensitive kinetic spectrofluorimetric method was developed for the determination of mesna in drug products. The method is based on oxidation of the studied drug with cerium(IV) ammonium sulphate in acidic medium. The fluorescence of the produced Ce(III) was measured at 359 nm after excitation at 259 nm. The method involves determination of mesna by kinetic study of its oxidation at 100 oC for a fixed time of 20 min. The different experimental parameters affecting development and stability of reaction product were carefully studied and optimized. The fluorescence-concentration plot was rectilinear over the concentration range of 0.50-4.00 ng/mL, with a minimum detectability of 0.17 ng/mL. The method was successfully applied for the determination of mesna in its drug product. The results obtained were found to be in good agreement with those obtained with an official method of the investigated drug. The validity of the method was assessed according to USP guidelines.


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How to Cite
Rizk, M.; Taha, E. A.; Mowaka, S.; Abdallah, Y. M. Kinetic Fluorimetric Determination of Mesna (Sodium-2-Mercaptoethane Sulfonate) in Drug Products through Oxidation With cerium(IV). Eur. J. Chem. 2013, 4, 220-225.

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