THE OPTIMATION SIMULTANEUOS DETERMINATION OF LEAD(II) AND CADMIUM(II) BY ADSORPTIVE STRIPPING VOLTAMMETRY (ADSV)

Authors

  • Deswati - Department of Chemistry, Faculty of Mathematics and Natural Sciences, Andalas University, Kampus Unand Limau Manis Padang, Indonesia
  • Hamzar Suyani Department of Chemistry, Faculty of Mathematics and Natural Sciences, Andalas University, Kampus Unand Limau Manis Padang, Indonesia
  • Umiati Loekman Department of Chemistry, Faculty of Mathematics and Natural Sciences, Andalas University, Kampus Unand Limau Manis Padang, Indonesia
  • Nilam Sari Department of Chemistry, Faculty of Mathematics and Natural Sciences, Andalas University, Kampus Unand Limau Manis Padang, Indonesia

DOI:

https://doi.org/10.25077/jrk.v5i2.198

Abstract

A selective and sensitive adsorptive stripping voltammetric (AdSV) method for simultaneous determination of lead(II) and cadmium(II) were proposed. The aim of this study was to get the optimum condition for simultaneuos determination of lead(II) and cadmium(II). The parameters were studied such as: variation of accumulation potential, accumulation time, pH, and variation of
calcon concentration. In this case, the optimum conditions were reached at accumulation potential –0.7 V, accumulation time 80 s, concentration of 0.12 mM calcon, and pH 7.0. At the optimum
conditions the relative standard deviation were 2.90% and 1.46% for Pb(II) and Cd(II) respectively for eight replicates (n = 8) measurements. The method was applied for the direct determination of Pb(II) and Cd(II) in sea water around Bungus, Padang City. Concentration Pb(II) and Cd(II) insample were 9.918 μg/L – 27.320 μg/L for Pb(II) and 7.997 μg/L - 32.521 μg/L for Cd(II), with recovery of 99.48%, and 103.28 for Pb(II), and Cd(II) respectively.

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Published

2012-03-15

How to Cite

-, D., Suyani, H., Loekman, U., & Sari, N. (2012). THE OPTIMATION SIMULTANEUOS DETERMINATION OF LEAD(II) AND CADMIUM(II) BY ADSORPTIVE STRIPPING VOLTAMMETRY (ADSV). Jurnal Riset Kimia, 5(2), 100. https://doi.org/10.25077/jrk.v5i2.198

Issue

Vol. 5 No. 2 (2012): March

Section

Articles

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