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A wide range of gamma-ray and electron emitting reference
sources of different geometries is described in this section.
The single radionuclide point sources or source sets containing
up to 9 different radionuclides are used for calibrating gamma-ray
spectrometers and gamma counters. Mixed radionuclide, X-ray
and conversion electron sources are also available to cover
a wide energy range for different detectors. If a modified
source of this type is required, please send us your specification
using the request form in this section.
Applications:
These gamma reference sources are designed for calibrating
and checking gamma-ray spectrometers, gamma counters and electron
spectrometers. Typical applications in research, environmental
measurements and nuclear medicine include:
1. Calibrating high resolution gamma-ray spectrometers
- Single radionuclides
- Sets of sources
- Mixed radionuclide point sources with low self-absorption
2. Calibrating NaI spectrometers
- Single radionuclides
- Mixed radionuclide point source
3. Calibrating NaI counters
- Tube type sources
The advantages of the sources described are:
- Sealed sources - robust design for cost effective, long,
useful life
- Easy to mount in jigs for reproducible measurement conditions
- Choice of capsule dimensions and source activities
- Minimal self-absorption and small active volume - accurate
calibrations
- Traceable to national standards laboratories including NIST,
NPL,PTB, LPRI
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