Mound Facility activities in chemical and physical research: January-June 1980. [OLECULES; VIRIAL EQUATION; CHEMICAL REACTIONS; DEUTERIUM; TRITIUM; CALCIUM NITRATES; HEAVY WATER; THERMAL DIFFUSION; WATER; CROSS SECTIONS; MOLECULAR BEAMS; TEMPERATURE DEPENDENCE; CHELATING AGENTS; CHLOROFORM]
I. Low temperature research covered Hydrogen Intermolecular Potential Functions: five potentials have been compared to bound state energies, second virial coefficients, and total and differential scattering cross sections, but none of them consistently fits all of the data. Using a Hartree-Fock-Dispersion form with a modified damping function, three out of the four sets of data can be represented with a single potential function. Reaction Rates of Deuterium-Tritium Mixtures: two mixing chambers are being designed and built for studying D/sub 2/-T/sub 2/ and H/sub 2/-T/sub 2/. Low Temperature Trennschaukel: a bench model trennschaukel has been instrumented. II. Separation research covered Liquid Thermal Diffusion: Isotopic separations as functions of time were measured for methyl chloride, ethyl chloride, 1-chloropropane and 1-chlorobutane. The campaign to enrich chlorine-37 by liquid thermal diffusion of methyl chloride was concluded after 240 g of enriched isotope had been produced. Calcium Isotope Separation: Calcium isotope separation in the Ca(NO/sub 3/)/sub 2/-H/sub 2/O and -D/sub 2/O systems was measured using a 36.5 cm liquid phase thermal diffusion column. The largest separation was a 15% change in the calcium-48 abundance. Molecular Beam Scattering: a supersonic Ne beam through a cell containing Ar was used to measure low-energy, elastic, total cross sections of neon/argon in the velocity range of 4 to 10 (x 10/sup 4/) cm/s. Cross sections at onset of clustering were 7% higher than at minimum cluster conditions. Mutual Diffusion: Study continues on the temperature dependence of the mutal diffusion coefficients for binary noble gas mixtures, particularly argon with helium, neon, and xenon. Metal Chemical Exchange With Macrocyclic Ligands: The equilibrium single-stage separation factor was determined for two additional LiTFA/221 cryptand/CHCl/sub 3/ and two LiTFA/211 cryptand/CHCl/sub 3/ exchange systems.
- Research Organization:
- Mound Plant (MOUND), Miamisburg, OH (United States)
- DOE Contract Number:
- AC04-76DP00053
- OSTI ID:
- 5069458
- Report Number(s):
- MLM-2756; TRN: 80-016878
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
74 ATOMIC AND MOLECULAR PHYSICS
HYDROGEN
INTERATOMIC FORCES
CALCIUM ISOTOPES
ISOTOPE SEPARATION
CHLORINE ISOTOPES
ARGON
ATOM-ATOM COLLISIONS
NEON
DIFFUSION
HELIUM
LITHIUM ISOTOPES
ALKALI METAL ISOTOPES
ALKALINE EARTH ISOTOPES
ALKALINE EARTH METAL COMPOUNDS
ATOM COLLISIONS
BEAMS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CALCIUM COMPOUNDS
CHLORINATED ALIPHATIC HYDROCARBONS
COLLISIONS
ELEMENTS
EQUATIONS
HALOGENATED ALIPHATIC HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROGEN ISOTOPES
ISOTOPES
LIGHT NUCLEI
NITRATES
NITROGEN COMPOUNDS
NONMETALS
NUCLEI
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
OXYGEN COMPOUNDS
RADIOISOTOPES
RARE GASES
SEPARATION PROCESSES
STABLE ISOTOPES
WATER
YEARS LIVING RADIOISOTOPES
400203* - Isotope Exchange & Isotope Separation- (-1987)
640304 - Atomic
Molecular & Chemical Physics- Collision Phenomena