REMOVAL EFFECT MEASUREMENT SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a removal effect measurement system that can measure removal effects of radioactive iodine in a radioactive iodine removal device by using test methyl iodide gas.

SOLUTION: A removal effect measurement system 10A is formed by a test methyl iodide gas supply unit 12 for supplying a predetermined supply amount of test methyl iodide gas 22 from an upstream side of an iodine gas removal air filter 11, a first air collecting unit 13 for collecting air flowing in a downstream side of the iodine gas removal air filter 11 during a period until a predetermined time passes immediately after the methyl iodide gas 22 has been supplied, and a photoacoustic gas monitor for measuring concentration of the methyl iodide gas 22 contained in the air collected by the first air collecting unit 13.

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