Taceable nanoparticle characterisation with SAXS (by Christian Gollwitzer - PTB)

This video demonstrates how we achieve traceability for size and concentration measurements of nanoparticle dispersions unsing SAXS. Traceability allows us to give not only a value to these measurements, but also a realistic uncertainty. It is defined as the property of a measurement, that the result is directly related to an SI unit via an unbroken chain of comparisons, each having stated uncertainties.

We have implemented traceable SAXS measurements at the four-crystal monochromator beamline of PTB [1] at the synchrotron radiation facility BESSY II in Berlin using the HZB SAXS setup [2]. This talk explains the theory and details of the implementation.

[1] https://doi.org/10.1016/S0168-9002(01...
[2] https://doi.org/10.1107/S160057751400...

Speaker: Christian Gollwitzer (PTB Berlin)
Edited by Pierre-Yves Lerayer
thanks to Jérôme Deumer (PTB)


PTB 7.21 website :
https://www.ptb.de/cms/en/ptb/fachabt...
Silica Nanoparticles synthesis : Dr. Antoine Thill, Olivier Taché, Elodie Barruet, Lucien Cereja, Benedicte Durand

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