Hydroxide complexes of lanthanides--II: samarium(III) in perchlorate medium.
From the precipitation borderline in the pM'-pH diagram, determined experimentally under CO(2)-free conditions, the stability constants of the mononuclear and polynuclear species of samarium hydroxide have been established. The values found are log beta(1) = -7.5, log beta(2) = -15.0, log beta(3) = -22.7, log beta(4, 3) = -19.5 and log K(s0) = 17.5. They refer to fresh precipitates, prepared at room temperature in sodium perchlorate medium with an ionic strength of 1.
Kragten
J
J
Natuurkundig Laboratorium, Universiteit van Amsterdam, Valckenierstraat 65, 1018 XE Amsterdam, The Netherlands.
Decnop-Weever
L G
LG