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vapor cocrystallization accompanied by decomposition of the initial form of the minor component. part 2. cocrystallization of /sup 55/FeCl/sub 3/ and /sup 55/FeCl/sub 2/ with ZrCl/sub 4/

Journal Article · · Sov. Radiochem. (Engl. Transl.); (United States)
OSTI ID:6968005
; ; ;
The radionuclide /sup 55/Fe has been used to examine the distribution under static conditions of traces of iron added in the form of FeCl/sub 3/ between ZrCl/sub 4/ crystals and vapor at 240-310/sup 0/C. The level of the minor component was 0.2-0.6 mol. %. Mossbauer spectroscopy has been employed with iron specimens enriched in /sup 57/Fe to show that the iron is taken up by ZrCl/sub 4/ mainly as FeCl/sub 2/ if elemental chlorine is not especially added, this compound being formed by the decomposition of FeCl/sub 3/ to FeCl/sub 2/ and Cl/sub 2/. If the decomposition is suppressed by adding chlorine, the iron is taken up mainly as FeCl/sub 3/. Measurements have been made on the cocrystallization coefficients for FeCl/sub 2/ and FeCl/sub 3/, namely D /SUB FeCl/ /sub 2/ and D /SUB FeCl/ /sub 3/, where DFeCl/sub 2/ >> DFeCl/sub 3/ at any given temperautre.
OSTI ID:
6968005
Journal Information:
Sov. Radiochem. (Engl. Transl.); (United States), Journal Name: Sov. Radiochem. (Engl. Transl.); (United States) Vol. 27:5; ISSN SVRDA
Country of Publication:
United States
Language:
English

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Related Subjects

38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY
400702* -- Radiochemistry & Nuclear Chemistry-- Properties of Radioactive Materials
BETA DECAY RADIOISOTOPES
CHEMICAL REACTIONS
CHLORIDES
CHLORINE
CHLORINE COMPOUNDS
COPRECIPITATION
CRYSTALLIZATION
DECOMPOSITION
DISTRIBUTION
ELECTRON CAPTURE RADIOISOTOPES
ELEMENTS
EVEN-ODD NUCLEI
HALIDES
HALOGEN COMPOUNDS
HALOGENS
HIGH TEMPERATURE
INTERMEDIATE MASS NUCLEI
IRON
IRON 55
IRON 57
IRON CHLORIDES
IRON COMPOUNDS
IRON ISOTOPES
ISOTOPE APPLICATIONS
ISOTOPES
MASS DISTRIBUTION
METALS
MOESSBAUER EFFECT
NONMETALS
NUCLEI
PHASE TRANSFORMATIONS
PRECIPITATION
RADIOISOTOPES
SEPARATION PROCESSES
SPATIAL DISTRIBUTION
STABLE ISOTOPES
TEMPERATURE EFFECTS
TRACER TECHNIQUES
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
YEARS LIVING RADIOISOTOPES
ZIRCONIUM CHLORIDES
ZIRCONIUM COMPOUNDS