Phase and extraction equilibria in the water-ammonium chloride-Sintamid-5 system

The solubility isotherm of the H 2 O-NH 4 Cl-Sintamid-5 ternary system at 298 K was constructed on the basis of refractometer measurements. It was found that the region of two-phase liquid equilibrium existed over a wide pH range at inorganic acid concentrations from 10 to 2 mol/l. The distribution...

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Bibliographic Details
Published in:Russian Journal of Physical Chemistry A 2008-06, Vol.82 (6), p.1042-1044
Main Authors: Lesnov, A. E., Kudryashova, O. S., Denisova, S. A., Chepkasova, A. V.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Physical Chemistry
Short Communications
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Summary:The solubility isotherm of the H 2 O-NH 4 Cl-Sintamid-5 ternary system at 298 K was constructed on the basis of refractometer measurements. It was found that the region of two-phase liquid equilibrium existed over a wide pH range at inorganic acid concentrations from 10 to 2 mol/l. The distribution of some metal ions between the phases was studied. Conditions for quantitative extraction of thallium(III) and gallium were determined.
ISSN:0036-0244
1531-863X
DOI:10.1134/S0036024408060332