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Ion exchange separation of some light rare earths by elution with sodium triphosphate. II. Effect of P H of Eluant
Author(s) -
Subbaraman P. R.,
Rajan K. S.,
Gupta J.
Publication year - 1960
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.19603040310
Subject(s) - elution , chemistry , sodium , fractionation , ion exchange , ion , chromatography , nuclear chemistry , inorganic chemistry , organic chemistry
Separation of light rare earths by elution with sodium triphosphate in the P h range 5–8 has been studied. Satisfactory resolutions of SmNd and PrLa concentrates are obtained with a 0.2% eluant at P h 6. Fractionation of the NdPr pair is poor. In general separations at this higher P h are not as clear‐cut as at p h 3.6, but have the advantage of a considerable saving in the consumption of triphosphate.