Measurement of the iodine partition coefficient

Journal Article · Thu Aug 01 00:00:00 EDT 1985 · Nucl. Technol.; (United States)

OSTI ID:6353280

Furrer, M; Cripps, R C; Gubler, R

The hydrolysis of iodine is complicated because it involves a number of species that differ considerably in their individual volatilities. Large uncertainties exist in the thermodynamic data of some of the iodine species, especially at temperatures above 25C. Because of this, an experiment was undertaken to measure the partition coefficient under varying physical and chemical conditions. Measurements of P were made for a temperature range of 21 to 113C under well-defined conditions (liquid molar concentration, pH, and redox potential) for inorganic iodine. The experimental results are interpreted with the aid of an analytical model and published thermodynamic data. A good agreement between calculated and measured values was found. The experimental setup allows the determination of very high partition coefficients up to a value of 2.0 X 10W. This is demonstrated by adding cesium-iodide to the fuel pool water of a boiling water reactor.

• Research Organization: Swiss Federal Institute for Reactor Research (EIR), Materials Technology Department (Hot Laboratory), Wurenlingen
• OSTI ID: 6353280
• Journal Information: Nucl. Technol.; (United States), Vol. 70:2
• Country of Publication: United States
• Language: English

Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
IODINE
HYDROLYSIS
PARTITION FUNCTIONS
BWR TYPE REACTORS
CESIUM IODIDES
FUEL POOLS
MATHEMATICAL MODELS
MEASURING METHODS
MEDIUM TEMPERATURE
QUANTITY RATIO
TEMPERATURE EFFECTS
THERMODYNAMICS
ALKALI METAL COMPOUNDS
CESIUM COMPOUNDS
CHEMICAL REACTIONS
DECOMPOSITION
ELEMENTS
FUNCTIONS
HALIDES
HALOGEN COMPOUNDS
HALOGENS
INORGANIC PHOSPHORS
IODIDES
IODINE COMPOUNDS
LYSIS
NONMETALS
PHOSPHORS
REACTORS
SOLVOLYSIS
WATER COOLED REACTORS
WATER MODERATED REACTORS
210100* - Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled