期刊
ANALYTICAL LETTERS
卷 42, 期 3, 页码 571-583出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00032710802677118
关键词
Coated wire; pentazocine; pharmaceutical samples; plasma; potentiometry; urine
资金
- Isfahan University of Technology Research Councils
- Center of Excellence in Sensors
A fast potentiometric determination method has been reported for pentazocine in human plasma without complicated pretreatments using a coated-wire potentiometric selective electrode. The sensing membrane was made by incorporating of ion-association complexes of pentazocine cation and sodium tetraphenyl borate (NaTPB) in a polyvinyl chloride. The sensor exhibited fast, stable, and linear Nernstian response over the range of 510-5 to 0.1molL-1 pentazocine with a slope of 57.8mV per decade and with detection limit of 3.210-5molL-1. The proposed sensor has been used for determination of pentazocine in human plasma and urine.
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