Reference Products for Environment and Trade

The IAEA provides reference materials (RMs) to laboratories world-wide to assist them in the quality assurance of the results they obtain by nuclear analytical techniques. More than 90 different reference materials are distributed by the Agency. Each of these is characterised for analytes belonging to one of the following groups: Radionuclides, Trace Elements and Methyl Mercury, Organic Compounds, Stable Isotopes. The IAEA is the world's largest supplier of matrix reference materials characterised for radionuclides. Some of the IAEA reference materials characterized for isotope ratios are at the highest metrological level as international measurement standards.

Reference Materials Catalogue

Reference materials characterized for:

Documentation for Reference Materials that are no longer available

Note:  For general inquiries, please continue to use out contact point at:

Note: Due to the "end of year" requirements, order that are arriving until 29th of November 2023 will be processed and shipped within 2023, order arriving later than 1st of December 2023 will be stored and processed after resuming operations in January 2024.


Proficiency Tests

Please find the proficiency test program at: link


Mission Statement

To assist IAEA Member State laboratories to enhance the reliability and comparability of measurement results obtained by nuclear analytical techniques through the provision of reference materials and validated analytical procedures, training in the use of nuclear analytical techniques, and organization of worldwide and regional interlaboratory comparisons and proficiency tests. Test