The intended aim of this Good Practice Guide is to assist users in the preparation of radioactive phantoms (body analogues), ensuring that the uncertainty on the activity dispensed to the phantom can be estimated and that the activity measurement is traceable to a national standard of radioactivity. Although the methods in this guide do not guarantee a specific accuracy for the measurement of activity in the phantom, in most cases, they will provide the smallest uncertainty routinely achievable with a given measurement device in an end-user measurement.
We hope this guide will prove useful for a wide range of users in clinical, pre-clinical, academic, and industrial settings where there is the need to prepare an object containing a radioactive solution with a traceable measurement of activity.
03 Sep 2025
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