Development of a range of γ-ray emitting radioactive spiked reference materials for environmental monitoring. Pt. 1
- 1. National Physical Lab., Teddington (United Kingdom)
- 2. Ente per le Nuove Tecnologie, l'Energie e l'Ambiente (ENEA), Roma (Italy)
- 3. Lab. Primaire des Rayonnements Ionisants (LPRI), Saclay (France)
- 4. Physikalisch-Technische Bundesanstalt (PTB), Braunschweig (Germany)
Description
A EUROMET project was initiated between LPRI (France), ENEA (Italy), PTB (Federal Republic of Germany) and NPL (United Kingdom) to provide a range of spiked reference materials (low density silica, microballoons, zeolite, milk, resin, soil and kaolin) covering the bulk density range 200-1700 kg m-3 for the calibration of γ-ray spectrometers. The materials were spiked with mixtures of 134Cs/137Cs or 137Cs/241Am, using a number of techniques developed for this project. It is intended to extend this to include a mixture of radionuclides covering the energy range 60-1836 keV. A procedure for homogeneity testing was developed and used in the characterisation of these materials at each laboratory. The technology has now been established to synthesise spiked reference materials and the first batches are now available to the user community. This paper reports on progress to date. (orig.)
Additional details
Publishing Information
- Journal Title
- Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
- Journal Volume
- 339
- Journal Issue
- 1-2
- Journal Page Range
- p. 55-60.
- ISSN
- 0168-9002
- CODEN
- NIMAER
Conference
- Title
- Conference of the International Committee for Radionuclide Metrology (ICRM) and international symposium on radionuclide metrology and its applications.
- Dates
- 07-11 Jun 1993.
- Place
- Teddington (United Kingdom).
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 25044239
- Subject category
- S07: ISOTOPES AND RADIATION SOURCES; S07: ISOTOPES AND RADIATION SOURCES;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- AMERICIUM 241; CALIBRATION; CALIBRATION STANDARDS; CESIUM 134; CESIUM 137; CHEMICAL PREPARATION; COMPOSITE MATERIALS; GAMMA SOURCES; GAMMA SPECTROMETERS; GAMMA SPECTROSCOPY; KAOLIN; KEV RANGE 10-100; KEV RANGE 100-1000; MEV RANGE 01-10; MILK; ORGANIC ION EXCHANGERS; POROUS MATERIALS; RADIATION MONITORING; RESINS; SILICATES; SOILS; ZEOLITES
- Descriptors DEC
- ACTINIDE NUCLEI; ALPHA DECAY RADIOISOTOPES; AMERICIUM ISOTOPES; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; BIOLOGICAL MATERIALS; BODY FLUIDS; CESIUM ISOTOPES; CLAYS; ELECTRON CAPTURE RADIOISOTOPES; ENERGY RANGE; FOOD; HEAVY NUCLEI; HOURS LIVING RADIOISOTOPES; INORGANIC ION EXCHANGERS; INTERMEDIATE MASS NUCLEI; INTERNAL CONVERSION RADIOISOTOPES; ION EXCHANGE MATERIALS; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; KEV RANGE; MATERIALS; MEASURING INSTRUMENTS; MEV RANGE; MINERALS; MONITORING; NUCLEI; ODD-EVEN NUCLEI; ODD-ODD NUCLEI; ORGANIC COMPOUNDS; ORGANIC POLYMERS; OXIDE MINERALS; OXYGEN COMPOUNDS; POLYMERS; RADIATION SOURCES; RADIOISOTOPES; SILICATE MINERALS; SILICON COMPOUNDS; SPECTROMETERS; SPECTROSCOPY; SPONTANEOUS FISSION RADIOISOTOPES; STANDARDS; SYNTHESIS; YEARS LIVING RADIOISOTOPES