NIST TRACEABLE CALIBRATION SOURCES:

Radium-226 and Radium-228 Standard Solutions for Efficiency Calibration and Quality Control Spike Sources

NTS also supplies Ra-226 and Ra-228 standards (Nominal or NIST traceable activities) for efficiency calibration as well as quality control spike. The standard activity rage that can be supplied is 0.001 to 0.1 micro-curies. Contact us for pricing and availability.

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