Browsing by Author "K. Abd El-Rahman, Mohamed"

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Anions Selective Electrodes with Unusual Half Nernstian Response

M. Riad, Safa'a; R. Rezk, Mamdouh; I. Khattab, Fatma; K. Abd El-Rahman, Mohamed; M. Marzouk, Hoda (UNIV TEHRAN, FAC CHEMISTRY, CENTER EXCELLENCE ELECTROCHEMISTRY, 2014)

Selective poly (vinylchloride) membrane electrodes based on a quaternary ammonium compound, malachite green as a novel ion exchanger for anionic species were prepared. The developed membrane electrodes were used successfully ...
A single novel PVC membrane for dual determination of sulphadimethoxine and malachite green in aquatic environment

I. Khattab, Fatma; M Riad, Safa'a; R. Rezk, Mamdouh; K. Abd El-Rahman, Mohamed; M. Marzouk, Hoda (Elsevier, 2015)

A novel ion-pair of a quaternary ammonium compound; malachite green (MG), and an anionic drug sulphadimethoxine sodium (SDM) was prepared. The developed ion pair was incorporated into poly (vinyl chloride)-based membrane ...
Stability indicating spectrophotometric and spectrodensitometric methods for the determination of diatrizoate sodium in presence of its degradation product

K. Abd El-Rahman, Mohamed; M. Riad, Safaa; A. Abdel Gawad, Sherif; M. Fawaz, Esraa; A. Shehata, Mostafa (Elsevier, 2015)

Three sensitive, selective, and precise stability indicating methods for the determination of the X-ray contrast agent, diatrizoate sodium (DTA), in the presence of its acidic degradation product (highly cytotoxic 3,5 ...

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