Published 2002
| Version v1
Journal article
Rare earth methyl phosphonates
Creators
- 1. Gosudarstvennoe Predpriyatie Khimiko-Tekhnologicheskaya Lab., Kaluga (Russian Federation)
Description
Preparation of rare earth crystal methylphosphates by adding KOH solution to aqueous solution containing methylphosphonic acid (H2L) and rare earth ions (Ln3+) is described. The compounds prepared have been characterized by the methods of elementary analysis, X-ray diffraction, IR spectroscopy and thermal analysis, their solubility in aqueous and organic solutions being determined. It has been ascertained that composition of the compounds formed depends on the type of Ln3+ ion: LnHL2 (Ln=La-Er, Y) and KLn3H6L8 (Ln=Yb, Lu); Tm forms complexes of both types
Abstract (Russian)
Описано получение кристаллических метилфосфонатов редкоземельных элементов путем добавления раствора КОН к водному раствору, содержащему метилфосфоновую кислоту (H2L) и ионы редкоземельных элементов (Ln3+). Полученные соединения охарактеризованы методами элементного анализа, рентгенографии, ИК спектроскопии и термического анализа, определена их растворимость в водных и органических растворах. Установлено, что состав образующихся соединений зависит от типа иона Ln3+: LnHL2 (Ln=La-Er, Y) и KLn3H6L8 (Ln=Yb, Lu); Tm образует комплексы обоих типовAdditional details
Additional titles
- Original title (Russian)
- Метилфосфонаты редкоземельных элементов
Publishing Information
- Journal Title
- Zhurnal Obshchej Khimii
- Journal Volume
- 72
- Journal Issue
- 3
- Journal Page Range
- p. 396-398
- ISSN
- 0044-460X
- CODEN
- ZOKHA4
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 34046141
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Descriptors DEI
- AQUEOUS SOLUTIONS; CHEMICAL COMPOSITION; CHEMICAL PREPARATION; ORGANIC SOLVENTS; PHOSPHONATES; POTASSIUM COMPOUNDS; PYROLYSIS; RARE EARTH COMPLEXES; SOLUBILITY; YTTRIUM COMPLEXES
- Descriptors DEC
- ALKALI METAL COMPOUNDS; CHEMICAL REACTIONS; COMPLEXES; DECOMPOSITION; DISPERSIONS; HOMOGENEOUS MIXTURES; MIXTURES; NONAQUEOUS SOLVENTS; ORGANIC COMPOUNDS; ORGANIC PHOSPHORUS COMPOUNDS; SOLUTIONS; SOLVENTS; SYNTHESIS; THERMOCHEMICAL PROCESSES; TRANSITION ELEMENT COMPLEXES
Optional Information
- Notes
- 8 refs.; 1 tab.; 2 figs.