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۱A Clidinium Potentiometric Membrane Sensor for Determination of Clidinium in Pharmaceutical Formulation
اطلاعات انتشار: Analytical & Bioanalytical Electrochemistry، سوم،شماره۵، Oct ۲۰۱۱، سال
تعداد صفحات: ۱۱
This work introduces a PVC membrane sensor for determination of clidinium active ingredient. For the membrane preparation, clidinium–tetraphenyl borate ion–pair was employed as a sensing material in the PVC membrane. Several plasticizers were studied in the membrane composition dibutyl phthalate (DBP), benzylacetat (BA), and nitrobenzene (NB). After a series of experiments, the best electrode response was obtained from a membrane composed of NB. The electrodes illustrated a fast, stable and Nernstian response over a wide clidinium bromide concentration range of 1×10–5 to 1×10–1 M, in the pH range of 4.0–10.0.
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