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Survey: reference materials for particle number concentration

12 November 2021

The European Commission’s Joint Research Centre (JRC) invites you to participate in a targeted stakeholder survey regarding reference materials for particle number concentration measurement applications.

More and more international studies call for certified reference materials to support the development, validation and quality control of methods used for measuring the number concentration of particles with external dimensions in the nano- and sub-micrometre scale range.

Your participation in this survey will help JRC to evaluate the need for the development of certified reference materials for particle number concentration and their required characteristics.

I would be grateful if you could dedicate 5 minutes of your valuable time to complete the below questionnaire by 15 December 2021. This e-mail and link may be shared with other colleagues in your professional network who may have interest in particle number concentration reference materials.

If you have received this survey from different sources, please complete it only once.


This has been posted by PAT4Nano to support the JRC mission.

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