Premium
Sur la séparation des terres rares à l'aide de l'acide éthylène‐diamine‐tétraacétique. X. Le système Na[La‐édta]–Na[Pr‐édta]–H 2 O à 0°, 25° et 50°
Author(s) -
Brunisholz G.,
Vescovi E.
Publication year - 1959
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19590420623
Subject(s) - chemistry , diamine , solubility , medicinal chemistry , polymer chemistry
The solubility diagrams of the system Na[La‐EDTA]–Na[Pr‐EDTA]–H 2 O (EDTA = ethylendiamine‐tetraacetate) have been established at 0°, 35° and 50°. A miscibility gap occurs a t 0° between the solid phases Na[( La , Pr)‐EDTA] 6 H 2 O and Na[( Pr , La)‐EDTA], 8H 2 O, and also at 50° between the latter and Na[( La , Pr)‐EDTA], 3H 2 O. At 35° however, a continuous series of mixed crystals Na[(La, Pr)‐EDTA], 8H 2 O appears as the solid phase in this system.