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Dedeh Kurniasih
Prodi Pendidikan Kimia UM Pontianak
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Journal : The Journal of Pure and Applied Chemistry Research

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The Coated-Wire Ion Selective Electrode (CWISE) of Chromate Using PVC-Membrane Based on Chitosan as A Carrier Dedeh Kurniasih; Atikah Atikah; Hermin Sulistyarti
The Journal of Pure and Applied Chemistry Research Vol 1, No 1 (2012)
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (378.381 KB) | DOI: 10.21776/ub.jpacr.2012.001.01.104

Abstract

A coated-wire ion selective electrode (CWISE) based on chitosan as a carrier for detection of chromate, was developed. CWISE has easy measurement for field analysis, good selectivity and sensitivity. The CWISE’s membrane consist of mixture an active material of chitosan, aliquat 336-chromate, polyvinylchloride (PVC) and dioctylphtalate (DOP) as plasticizer = 4:0.5:35:60.5 (% w/w) dissolved in tetrahydrofuran (THF) solvent (1:3 w/v). The electrode exhibited a good Nernstian slope of 29.77±0.03 mV/decade and a linear concentration range from 10-6 to 10-1 M for chromate. The limit of detection was 1.862 x 10-6 M. It had response time of 20 – 40 sec, and could be used for 49 days. This chromate selective-electrode was found more selective towards the chromate ion than other anions, useable in pH range of 5.0 – 9.0 and temperature of 20 – 50 oC. It was applied as an electrode for direct determination of chromate in water samples and their result compared to standard spectrophotometric method.
Co-Authors Abdullah Yamani Noor Anandita Eka Setiadi Arya Girald Baihaqie Arya Girald Baihaqie Astuti Astuti Atikah Atikah Cawang Cawang Cindi Patika Sari Dara Latifa Desi Marianti Dewi Setiawati Dhiea Regita Cahyani Dini Hadiarti Eca Seponsah Eka Nurmala Elsi Oktaviyanti Elsi Oktaviyanti Fadhilah, Raudhatul Fatmawati Fatmawati Fhany Maulika Fitriani Fitriani Fitriani Fitriani Gumelar , Rizdki Elang Gustiah Gustiah Hairida hendry yanto Hermin Sulistyarti Israwati Hasibuan Lukman Hadi Lya Deni Prilianti Maghfiratul Rahmi Margarita Medina Icha Muhamad Agus Wibowo Mustika Wati Nova Miola Anggreini Nurul Huda Pita Sari Resa Yulita Ria Tri Wulandari Riandi Rima Oktavianita Rizdki Elang Gumelar Rizki Sindi Susanti Rizmahardian Ashari Kurniawan RR. Ella Evrita Hestiandari Sahara Sahara Salmauwati Salmauwati Salvia Sholahuddin Sholahuddin Sumiati Hanjarvelianti Sunandar, Ari Surya Wahyudi Suryaningsih Suryaningsih Susana Tia Syubhan An'nur Tika Pratiwi Tuti Kurniati Tuti Kurniati Vivian Ardilah Dewi Wawan Wawan Erwandi Yummama Karmaita Zahratun Nufus Zahratun Nufus