Determination of Arsenic by Electrothermal Atomic Absorption Spectrometry Using Arsine Preconcentration on Palladium-Containing Adsorbents |
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Authors: | M Yu Burylin Z A Temerdashev V P Polishchuchenko |
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Institution: | (1) Department of Chemistry, Kuban State University, ul. Stavropol'skaya 149, Krasnodar, 350040, Russia |
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Abstract: | A procedure was developed for the preconcentration of arsine on palladium-containing adsorbents followed by the determination of arsenic by electrothermal atomic absorption spectrometry. Aqueous suspensions of the adsorbent were placed in a graphite furnace at the determination step. The selection of the adsorbent was substantiated; adsorption properties of palladium-containing adsorbents were studied to validate their modifying properties. The absolute and concentration limits of detection for arsenic were 28 pg and 12 ng/L, respectively (sample volume of 100 mL). |
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