Abstract
Abstract Retention of W(VI) by three Finnish mineral soils from 10−4 M solutions for 72 h was studied at pH 2.8–7.5, using an adsorbent: solution ratio 1:100 (w: v) and 0.02 M KCl as a support medium. Retention was greatest from the most acidic samples, and at pH 3, 75–87% of the added W was retained. The W adsorption curves obtained for these mineral soils had different shapes compared with those reported for activated carbon, ferric oxide and kaolin. Retention of W by soils was strong, and only a small amount of the retained W was desorbed during a 17 h treatment with 0.02 M Kl.
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Schedule a callMore From: Acta Agriculturae Scandinavica, Section B - Soil & Plant Science
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