Preparation and Potentiometric Study for Promethazine Hydrochloride
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Preparation and Potentiometric Study for Promethazine Hydrochloride

Preparation and Potentiometric Study for Promethazine Hydrochloride


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About the Book

Electrodes for the determination of promethazine hydrochloride based on PVC membrane were prepared based on the use of ion pair (promethazine-phosphotungstic acid) with the following plasticizers: Di-butyl phosphate (DBP), Tri-butyl phosphate (TBP), O-nitrophenyloctyl ether (ONPOE), and Di-butyl phthalate (DBPH). The properties of these electrodes were studied, including: slope, correlation coefficient, concentration range, detection limit, pH effect, and life time. The statistical treatments were applied for the results that include: relative standard deviation (RSD), relative error (RE), mean error, confidence limit for concentration, and confidence limit for potential. The electrodes (A, B and C) based on DBP, TBP and ONPOE respectively, gave a same linear range from 1x10-1 to 1x10-4 M but for electrode D based on DBPH gave the linear range from 1x10-1 to 5x10-4 M. The slopes are (40.58, 39.82, 51.52 and 56.17) mV/decade, with the correlation coefficients are (0.9984, 0.9988, 0.9991 and 0.9993), and the limit of detection 3.5x10-5, 5x10-5, 5.5x10-4 and 2x10-4 M respectively


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Product Details
  • ISBN-13: 9783659798276
  • Publisher: Lap Lambert Academic Publishing
  • Publisher Imprint: LAP LAMBERT Academic Publishing
  • Height: 229 mm
  • No of Pages: 188
  • Series Title: English
  • Weight: 331 gr
  • ISBN-10: 3659798274
  • Publisher Date: 03 Dec 2015
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Spine Width: 11 mm
  • Width: 152 mm


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