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Propranolol hydrochloride-selective membrane electrode and their application to pharmaceutical preparations and biological fluids
Faculty
Pharmacy
Year:
2006
Type of Publication:
Article
Pages:
488-500
Authors:
Shalaby, Abdalla, El-Tohamy, Maha, El-Maamly, Magda
Journal:
BULLETIN OF PHARMACEUTICAL SCIENCES ASSIUT UNIV, FAC PHARMACY
Volume:
29
Research Area:
Pharmacology \& Pharmacy
ISSN
ISI:000203462100015
Keywords :
Propranolol hydrochloride-selective membrane electrode , their application
Abstract:
The sensitivity and selectivity of a propranolol-selective membrane electrode have been improved with the use of propranolol-ammonium reineckate as electroactive material in the presence of di-butyl sebacate as plasticizer and tetrohydrofuran as solvent mediator. The electrode exhibited a near-Nernstain response over a concentration range of 1 x 10(-2) - 5 x 10(-6) M propranolol hydrochloride with a slope of 52.7 +/- 0.6 mV per decade. The practical pH range was 3-8. Interferences from common cations, alkaloids and drug excipients were reported The proposed electrode has been successfully applied to determine propranolol hydrochloride in pure form and pharmaceutical preparations. The results were correlated well with those obtained by BP standard procedure.
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