Cloud point extraction-preconcentration and flame atomic absorption spectrometric determination of low levels of zinc in water and blood serum samples

• Authors: Ardeshir Shokrollahi , Mojtaba Shamsipur , Fahimeh Jalali , Hamid Nomani
• Languages of publication: EN

Abstracts

EN

A simple, sensitive and selective flotation method is described for the preconcentration and atomic absorption spectrometric determination of zinc ion in water and blood samples. At a solution pH of 5.2, 4-(2-pyridylazo-resorcinol) and Triton X-114 were used as hydrophobic ligand and non-ionic surfactant, respectively. The chemical variables affecting the preconcentration process were optimized. Under the optimized experimental conditions, the selective preconcentration and determination of as low zinc concentration as 6.5 µg L−1 can be made. The proposed method was successfully applied to the preconcentration and low-level determination of zinc in different water and blood serum samples. [...]

Keywords

EN

Cloud point extraction; Preconcentration; AAS; PAR; Serum

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2009
• Volume: 7
• Issue: 4
• Pages: 938-944

Dates

published

1 - 12 - 2009

online

6 - 10 - 2009

Contributors

author

Ardeshir Shokrollahi

• Department of Chemistry, Yasouj University, 75918-74831, Yasouj, Iran

author

Mojtaba Shamsipur

• Department of Chemistry, Razi University, 67149, Kermanshah, Iran

author

Fahimeh Jalali

• Department of Chemistry, Razi University, 67149, Kermanshah, Iran

author

Hamid Nomani

• Department of Biochemistry, Kermanshah University of Medical Sciences, 67346-67149, Kermanshah, Iran

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Identifiers

DOI

10.2478/s11532-009-0077-0