地震氡观测计量溯源初步探究

Abstract

Abstract: In this paper, the reliability of calibrating radon observation instruments using standard instruments is verified on the experimental results of radon chamber calibration and solid radon source calibration. The AlphaGUARD P2000Pro and AlphaGUARD P2000F radon measuring instrument of German Genitron Company, the classic measuring and transmitting instrument of radon measurement laboratory, are used as the source traceability instrument for the transmission source. The observation of water radon in Jiujiang Seismological Station FD-125 radon thorium chamber is calibrated by three calibration methods, including radon chamber calibration, solid radon source calibration and instrument calibration. The calibration of standard instruments and calibration of solid radon gas sources indicates that the deviation of the K value relative to the radon chamber calibration results is less than 6%, and they can meet the needs of the current radon observation and measurement. It can achieve the goal of unification with the national radon calibration scale.

Key words: Radon observation, Radon solid source calibration, Radon chamber calibration, Alpha GUARD measuring system

CLC Number:

P315.7

HUANG Ren-gui, ZHAO Ying, LI Yu-ze, WANG Shi-xian, LUO Qi-bin, XIAO Jian. Preliminary Study on the Traceability of the Observation and Measurement of Radon for Earthquake Monitoring[J]. EARTHQUAKE, 2019, 39(2): 183-190.

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Preliminary Study on the Traceability of the Observation and Measurement of Radon for Earthquake Monitoring

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