T/BSRS 005-2019 Active Group standards

T/BSRS 005-2019 Tritium analysis technique specification for gaseous emissions from nuclear power plants

Publish Date: 2019-12-19 Implement Date: 2019-12-19 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/BSRS 005-2019

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Radiation protection and monitoring

ICS Name: Radiation protection

Publish Date: 2019-12-19

Implement Date: 2019-12-19

Scope

Main technical content: This specification stipulates the sampling and analysis methods for tritium in gaseous effluents from nuclear power plants. The sampling and analysis methods specified in this specification are applicable to the determination of tritium in gaseous effluents from nuclear power plants, and other nuclear facilities may refer to and implement them accordingly. The detection limit of this method (for a cumulative sampling period of 7 days): 50.0 Bq/m3. The gas samples pass through multi-stage bubble absorption bottles containing experimental water. The tritiated water in the samples is absorbed in the first and second stages, and the remaining gas passes through a high-temperature catalytic furnace. After catalysis (such as HT, etc.), it is converted into tritiated water and then enters the subsequent absorption bottles to be absorbed. The generated tritium absorption solution is mixed with a scintillation solution to prepare a liquid scintillation test sample, and the tritium activity is measured using a liquid scintillation counter.