Standardization of 133 Xe

Project Description

The 133Xe produced by nuclear power plants is widely used as a tracer in medicine and in the survey of environment.

The standardization of 133Xe can be done by different measurement techniques: ionization chambers, gamma spectrometry and proportional counters.

The radioactive gas measurement systems of LPRI and PTB have already been validated for the standardization of 85Kr and 3H in the frame of the n 31 EUROMET project. Thus it is of practical interest to validate these systems for 133Xe.

The aim of this project is to compare the different techniques in an intercomparison which could be carried out in two stages:

1) measurement of sealed glass bulbs (containing ca 40 MBq)

2) Measurement of the radioactive concentration of 133Xe mixed with nitrogen in a cylinder (concentration of the order of 10MBq.mol-1).

Further Information

The participation of BIPM is accepted by all the partners.