Abstract

The distribution of salicylic acid (H 2Sal) between isoamyl alcohol and aqueous buffers of constant ionic strength (μ=0.1 M NaClO 4) was investigated over a range of pH values. The partition coefficient was found to be 109.3 and sodium salicylate was also found to be extracted to a small extent. The liquid-liquid extraction of europium(III) as its salicylate into isoamyl alcohol was investigated radiometrically. The partition coefficient log p e=1.8(0) and the successive stability constants, K 1=10 2.59, K 2=10 1.62 and K 3=10 0.65, were evaluated.

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