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The IRMM dosimetry reference materials programme was established to provide monitor materials for reactor surveillance and for dosimetry in materials testing applications, but includes materials specially prepared for k(0)-standardisation of neutron activation analysis. The element gold is well established as a comparator for k(0)-standardisation. A gold alloy of composition Al-0.100 % Au has been prepared to overcome the problem of self-shielding. The alloy Zr-0.01 % Au-0.15 % Lu enables the determination of all relevant neutron spectrum parameters. Other reactor neutron dosimetry reference materials available include high purity metals certified for interfering trace impurities, Al-Co alloys, and UO(2) and NpO(2) fission monitors in the form of high density microspheres. Fluence rate monitors are encapsulated in aluminium, stainless steel, quartz or vanadium.

Additional information

Authors: INGELBRECHT C, JRC Geel (BE);PEETERMANS F, JRC Geel (BE);DE CORTE F, University of Gent, Institute for Nuclear Sciences (BE)
Bibliographic Reference: Paper presented: Nuclear Analytical Methods in the Life Sciences, Prague (CS), September 13-17, 1993
Availability: Text not available
Record Number: 199311277 / Last updated on: 1994-11-29
Original language: en
Available languages: en
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