Hydrolysis constants of tervalent lanthanum and lanthanide ions in 0.1 M KNO3 solution

The hydrolysis constants K h of tervalent lanthanum and lanthanide ions at 25°C have been determined by pH titration against the background of 0.1 M KNO 3 . p K h values change monotonically from 8.53 for La(OH) 2+ to 7.41 for Lu(OH) 2+ and from 26.56 for La(OH) 3 to 21.43 for Lu(OH) 3 .

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Bibliographic Details
Published in:Russian journal of inorganic chemistry 2012-06, Vol.57 (6), p.911-915
Main Authors: Yakubovich, Yu. Ya, Alekseev, V. G.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Indexing in process
Inorganic Chemistry
Physical Chemistry of Solutions
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Summary:The hydrolysis constants K h of tervalent lanthanum and lanthanide ions at 25°C have been determined by pH titration against the background of 0.1 M KNO 3 . p K h values change monotonically from 8.53 for La(OH) 2+ to 7.41 for Lu(OH) 2+ and from 26.56 for La(OH) 3 to 21.43 for Lu(OH) 3 .
ISSN:0036-0236
1531-8613
DOI:10.1134/S0036023612060265