Radioisotope Sources & Information
(Click on any photo or description to be taken to the product page)
NOTE: All sources are +/- 20% nominal activity; +/- 5% activity calibration for gamma sources is available at extra charge. See here. Contact us for pricing or additional information.
Regulations and limits of Activity
Radioactive sources are available in a wide range of isotopes covering Alpha, Beta and Gamma emissions. These sources are exempt from USNRC and State licensing and present no special storage or disposal requirements.
Activities are selected to produce sufficient count-rate to check survey meters or conduct most nuclear science experiments in normal lab periods using standard Geiger Mueller counters or scintillation detectors, yet low enough so as not to present any radiation hazard.
Sources are available sealed in one inch diameter plastic discs, in a variety of test tube sizes, or as needle sources for use with cloud chambers. Laminated disk and credit card source are now available as NEW products.
Custom activities and packaging are available on special order.
Gamma source may be ordered calibrated for an additional fee.
How to Dispose of Exempt Sources Click here
Several types of source certificates are available for an additional fee. All certificates must by ordered at the same time the source is ordered. Contact Spectrum Techniques for pricing. Email
Certificate of Origin: Certifies that the product is manufactured in Oak Ridge Tennessee, Anderson County, United State of America. click to see sample copy
Certificate of Compliance: Certifies that the source is in compliance with US NRC and DOT regulation and that the surface has been wipe tested. click to see sample copy
Certificate of Calibration: Certifies that the source has been calibrated, lists intensity, emission and uncertainty. click to see sample copy (NOTE: Our current Mixed Gamma Standard is SRS: 80899-854)
Radioisotope product line from Spectrum Techniques, here
* Source of information: ICAO / IATA Dangerous Goods Regulations, 55th Edition, Jan 1 – Dec 31, 2014
Note: For both Domestic and International Source Orders - Activities of gamma emitters over 5 to 10 uCi MAY require lead shielding, either LSD1, LSD4 or LSD5. If required, the lead shield and appropriate price will be added to your order.
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