Published July 2004
| Version v1
Journal article
Complexation of cerium group lanthanides with L-malic acid under an excess of metal ions
- 1. Kubanskij Gosudarstvennyj Univ., Krasnodar (Russian Federation)
Description
Complexing of rare earth ions of cerium subgroup elements (Ce, Rp, Nd, Sm) with L-malic acid in aqueous solutions at the ration of malic acid: rare earth element concentrations 1:2 in pH range 3.0-9.0 at ion strength 0.1 mol/l Kcl was studied by the method of pH-metric titration. Stoichiometry and stability constants of L-malate complexes and hydroxocomplexes of rare earth elements were determined
Abstract (Russian)
Методом рН-метрического титрования изучено комплексообразование ионов редкоземельных элементов цериевой подгруппы (Ce, Pr, Nd, Sm) с L-яблочной кислотой в водных растворах при соотношении концентраций яблочная кислота : редкоземельный элемент 1:2 в диапазоне рН 3.0-9.0 при ионной силе 0.1 моль/л KCl. Определены стехиометрия и константы устойчивости L-малатных комплексов и гидроксокомплексов редкоземельных элементовAdditional details
Additional titles
- Original title (Russian)
- Комплексообразование редкоземельных элементов цериевой подгруппы с Л-яблочной кислотой при избытке ионов металла
Publishing Information
- Journal Title
- Koordinatsionnaya Khimiya
- Journal Volume
- 30
- Journal Issue
- 7
- Journal Page Range
- p. 555-560
- ISSN
- 0132-344X
- CODEN
- KOKHDC
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 37049653
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Descriptors DEI
- AQUEOUS SOLUTIONS; CARBOXYLIC ACID SALTS; CERIUM COMPLEXES; CHEMICAL COMPOSITION; CHEMICAL PREPARATION; CONCENTRATION RATIO; COORDINATION VALENCES; HYDROXIDES; MALIC ACID; NEODYMIUM COMPLEXES; PH VALUE; POTENTIOMETRY; PRASEODYMIUM COMPLEXES; SAMARIUM COMPLEXES; STABILITY
- Descriptors DEC
- CARBOXYLIC ACIDS; CHEMICAL ANALYSIS; COMPLEXES; DIMENSIONLESS NUMBERS; DISPERSIONS; HOMOGENEOUS MIXTURES; HYDROGEN COMPOUNDS; HYDROXY ACIDS; MIXTURES; ORGANIC ACIDS; ORGANIC COMPOUNDS; OXYGEN COMPOUNDS; QUANTITATIVE CHEMICAL ANALYSIS; RARE EARTH COMPLEXES; SOLUTIONS; SYNTHESIS; TITRATION; VALENCE; VOLUMETRIC ANALYSIS
Optional Information
- Notes
- 26 refs., 3 figs., 2 tabs.