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The use of ultrasonic treatment for improvement of metrological performance of sorption atomic absorption determination of lead(II) and cadmium(II) traces

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Central European Journal of Chemistry

Abstract

The optimal parameters for ultrasonic treatment (frequency 200–300 kHz, intensity 2–4 W cm−2) were obtained to intensify Pb(II) and Cd(II) sorption concentration by carbon sorbent from apricot pit. The combined action of ultrasonic frequency of 18 kHz and 1 MHz on concentrate slurry increases its sedimentation stability from 3 to 180 minutes and decreases Sr value up to 7% at Pb(II), Cd(II) hybrid sorption atomic absorption determination in natural waters, brines, common salt.

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Authors and Affiliations

  1. Department of Analytical Chemistry, Donetsk National University, 83000, Donetsk, Ukraine

    Antonina S. Alemasova & Elena A. Belova

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  1. Antonina S. Alemasova
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  2. Elena A. Belova
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Correspondence to Antonina S. Alemasova.

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Alemasova, A.S., Belova, E.A. The use of ultrasonic treatment for improvement of metrological performance of sorption atomic absorption determination of lead(II) and cadmium(II) traces. cent.eur.j.chem. 8, 58–64 (2010). https://doi.org/10.2478/s11532-009-0099-7

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  • DOI: https://doi.org/10.2478/s11532-009-0099-7

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