Device and method for preparing 85Kr standard source

• Main Authors: GUO XIANGBO, WANG WEI, CHENG YING, HONG YONGXIA, XU JIN, LUO LAOYONG, LIU XIANZHONG, ZHONG JUN, QI MINGSEN
• Format: Patent
• Language: Chinese; English
• Published: 27.11.2018
• Subjects: NUCLEAR ENGINEERING; NUCLEAR PHYSICS; NUCLEAR REACTORS; PHYSICS

The invention discloses a device and method for preparing a 85Kr standard source. The device comprises a collector, a liquid nitrogen tank, a dryer, a membrane pump, a vacuum pump, a vacuum meter, a container, multiple connecting pipes and multiple valves, wherein the collector is used for collecting 85Kr gas, and the liquid nitrogen tank is used for liquid nitrogen storage and collector condensation; the gas outlet of the collector is connected with the vacuum meter through a connecting pipe and connected with the vacuum pump and the membrane pump; the gas inlet of the collector is connectedwith the dryer through a connecting pipe, the dryer is connected with the container through a connecting pipe, the container is connected with the membrane pump and the collector through a connectingpipe, and the container is used for injecting the 85Kr gas into a loop during 85Kr standard source preparation and temporarily storing the 85Kr gas. The device has the advantages that the device has an optimal 85Kr gas collect