Solid Phase Extraction for Evaluation of Occupational Exposure to Pb (II) Using XAD-4 Sorbent Prior to Atomic Absorption Spectroscopy

• Autorzy: Shahtaheri S. J. , Khadem M. , Golbabaei F. , Rahimi-Froushan A. , Ganjali M. R. , Norouzi P.
• Języki publikacji: EN

Abstrakty

EN

Lead is an important constituent widely used in different industrial processes. For evaluation of workers’ exposure to trace toxic metal of Pb (II), solid-phase extraction (SPE) was optimized. SPE using mini columns filled with XAD-4 resin was developed with regard to sample pH, ligand concentration, loading flow rate, elution solvent, sample volume, elution volume, the amount of resins, and sample matrix interferences. Lead ions were retained on a solid sorbent and then eluted, followed by a simple determination of analytes with flame atomic absorption spectrometery. The obtained recoveries of metal ions were greater than 92%. This method was validated with 3 different pools of spiked urine samples; it showed a good reproducibility over 6 consecutive days as well as 6 within-day experiments. This optimized method can be considered successful in simplifying sample preparation for a trace residue analysis of lead in different matrices when evaluating occupational and environmental exposures is required.

Słowa kluczowe

EN

lead; sample preparation; atomic absorption spectroscopy

• Wydawca: Taylor & Francis
• Czasopismo: International Journal of Occupational Safety and Ergonomics
• Rocznik: 2007
• Tom: Vol. 13, No. 2
• Strony: 137--145
• Opis fizyczny: Bibliogr. 27 poz., tab.

Twórcy

autor

Shahtaheri S. J.

• School of Public Health, Center for Environmental Research, Medical Sciences/University of Tehran, Tehran, I.R. Iran

autor

Khadem M.

• School of Public Health, Medical Sciences/University of Tehran, Tehran, I.R. Iran

autor

Golbabaei F.

• School of Public Health, Medical Sciences/University of Tehran, Tehran, I.R. Iran

autor

Rahimi-Froushan A.

• School of Public Health, Medical Sciences/University of Tehran, Tehran, I.R. Iran

autor

Ganjali M. R.

• Center of Excellence in Electrochemistry, University of Tehran, Tehran, I.R. Iran
• Endocrine & Metabolism Research Center, Medical Sciences/Tehran University, Tehran, I.R. Iran

autor

Norouzi P.

• Center of Excellence in Electrochemistry, University of Tehran, Tehran, I.R. Iran

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