Cloud point extraction for the determination of trace copper(II) in environmental samples using a new synthesized reagent and flame atomic absorption spectrometry

Authors

  • Zeynep Yurtman Gündüz Department of Chemistry, Marmara University 34722 Kadikoy, Istanbul, Turkey
  • Oya Aydin Urucu Department of Chemistry, Marmara University 34722 Kadikoy, Istanbul, Turkey
  • Ece Kok Yetimoglu Department of Chemistry, Marmara University 34722 Kadikoy, Istanbul, Turkey
  • Hayati Filik Department of Chemistry, University of Istanbul 34320 Istanbul, Turkey

DOI:

https://doi.org/10.20450/mjcce.2013.98

Keywords:

Cloud point extraction, Copper (II), FAAS, Preconcentration, Triton X-100

Abstract

Cloud point extraction for the determination of copper(II) is proposed after the formation of a complex with sulfapyridylazo resorcinol (SPAR) and later measurement by flame atomic absorption spectrometry (FAAS) using Triton X-100 as a surfactant. The surfactant-rich phase was diluted with nitric acid in methanol, prior to FAAS measurement. Analytical parameters including pH, concentration of the chelating agent and surfactant, equilibration temperature and time were optimized.  The effects of matrix ions on the recovery of copper ions were also studied.  A detection limit of 1.64 μg L−1 along with an enrichment factor of 31 for Cu were achieved. The method was successfully applied to the determination of copper in tap water, stream water, rain water and a standard reference material.

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Published

2013-04-30

How to Cite

Yurtman Gündüz, Z., Aydin Urucu, O., Kok Yetimoglu, E., & Filik, H. (2013). Cloud point extraction for the determination of trace copper(II) in environmental samples using a new synthesized reagent and flame atomic absorption spectrometry. Macedonian Journal of Chemistry and Chemical Engineering, 32(1), 69–78. https://doi.org/10.20450/mjcce.2013.98

Issue

Vol. 32 No. 1 (2013)

Section

Analytical Chemistry

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