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FABRICATION OF AN ION-SELECTIVE ELECTRODE FOR DETERMINATION OF PROPYLHEXEDRINE
Faculty
Science
Year:
1994
Type of Publication:
Article
Pages:
239-246
Authors:
Zareh, MM
DOI:
10.1007/BF01260370
Journal:
MIKROCHIMICA ACTA SPRINGER-VERLAG WIEN
Volume:
116
Research Area:
Chemistry
ISSN
ISI:A1994PL87600009
Keywords :
PROPHYLHEXEDRINE ION-SELECTIVE ELECTRODE, PROPYLHEXEDRINE-REINECKATE ION-PAIR, POLYVINYLCHLORIDE MEMBRANE, MICROANALYSIS
Abstract:
Electrodes of both conventional and micro-sizes were based on the use of propylhexedrine-reineckate as the ion-exchanger in a plastic membrane. The electrodes exhibited Nernstian response towards propylhexedrine (PX) over the concentration range 10(-6)-10(-2) M and had life spans of up to 2 days continuous work. The working pH range was 2.3-8. Investigation of diverse ions reveals good selectivity for propylhexedrine over several inorganic cations, amines, aminoacids, sugars and some pharmaceutical compounds. The electrode was applied for determination of the drug in urine with 99.1\% recovery and 0.15-0.31\% relative standard deviation.
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