The CIEMAT/NIST method is a relative or tracing activity measurement method suitable for activity determinations of pure beta, beta-gamma, pure EC and EC-gamma decaying radionuclide using a commercial liquid scintillation (LS) spectrometer.

•  Description of the method

•  Example : ¹⁴C

•  Calculation models

•  Bibliography

•  Comments on CIEMAT/NIST method

•  Software

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