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Zuri Rismiarti
Brawijaya University
Chemical Engineering, Chemistry & Bioengineering Chemistry Materials Science & Nanotechnology Medicine & Pharmacology

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Construction and Characterization of Coated Wire Oxalate Ion Selective Electrode Based on Chitosan Zuri Rismiarti; Atikah Atikah; Hermin Sulistyarti
The Journal of Pure and Applied Chemistry Research Vol 3, No 1 (2014)
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (348.427 KB) | DOI: 10.21776/ub.jpacr.2014.003.01.158

Abstract

PVC (polyvinyl chloride) membrane based coated wire oxalate ion selective electrode has been developed by using chitosan. The results showed the optimum composition of the membrane was chitosan: aliquat 336: PVC: DBP = 4:1:33:62 (% weight). The electrode showed Nernstian response, Nernst factor 29.90 mV/decade of concentration, linier concentration range of 1x10-5 - 1x10-1 M, detection limit of 2.56 x10-6 M, response time of 30 second, and life time of 42 days. ISE’s performance worked well in pH range of 5-7 and temperature of 25-50 oC. Validation test showed no significant difference (t test) with the SSA method so that the potentiometric method could be used as an alternative method for determining urinary oxalate.
Co-Authors Atikah Atikah Hermin Sulistyarti