DETERMINATION AND PRECONCENTRATION OF MANGANESE USING IONIC LIQUID BASED MICROEXTRACTION TECHNIQUE IN BIOLOGICAL SAMPLES

Journal Title: Academic Research International - Year 2013, Vol 4, Issue 4

Abstract

In this work, a procedure for preconcentration and determination of manganese using modified cold-induced aggregation microextraction(CIAME) based ionic liquid with the reagent 1-(2-pyridylazo)-2-naphthol (PAN) as complexing reagent was developed. In the preconcentration step, the mixture was cooled in an ice bath and manganese from 10mL of an aqueous solution was extracted into70µL of ionic liquid, 1-hexyl-3-methylimidazolium hexafluorophosphate [Hmim][PF6]. After centrifuging the extraction phase was settled. Then, the absorbance of the complex was measured by UV-Vis spectrophotometry. In this study, the effect of matrix ions on the extraction efficiency of Mn+2 were investigated. Also the optimization extractionconditions, such as: pH, PAN concentration, extraction time, addition of salt, ionic liquid volume and centrifugation rate were studied. The relative standard deviation was 1.14 % (n=4). The detection limit of 0.54 ngL-1 and enrichment factor of 70 for Mn+2 were achieved. The presented procedure was successfully applied for determination of manganese in environmental and biological samples.

Authors and Affiliations

Fariba Tadayon, Mahnoosh Hanasaei, Masoumeh Madadi

Keywords

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  • EP ID EP120408
  • DOI -
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How To Cite

Fariba Tadayon, Mahnoosh Hanasaei, Masoumeh Madadi (2013). DETERMINATION AND PRECONCENTRATION OF MANGANESE USING IONIC LIQUID BASED MICROEXTRACTION TECHNIQUE IN BIOLOGICAL SAMPLES. Academic Research International, 4(4), 176-184. https://europub.co.uk/articles/-A-120408