A certified reference material, ERM-FD100, for quality assurance of various nanoparticle sizing methods, was developed by the Institute for Reference Materials and Measurements. The material was prepared from an industrially-sourced colloidal silica containing nanoparticles with a nominal equivalent spherical diameter of 20 nm. The homogeneity and stability of the candidate reference material was assessed by means of dynamic light scattering and centrifugal liquid sedimentation. Certification of the candidate reference material was based on a global interlaboratory comparison in which 34 laboratories participated with various analytical methods (DLS, CLS, EM, SAXS, ELS). After scrutinising the interlaboratory comparison data, 4 different certified particle size values, specific for the corresponding analytical method, could be assigned. The good comparability of results allowed the certification of the colloidal silica material for nanoparticle size analysis.
BRAUN Adelina;
KESTENS Vikram;
FRANKS Katrin;
ROEBBEN Gert;
LAMBERTY Marie Andree;
LINSINGER Thomas;
2012-12-04
SPRINGER
JRC67182
1388-0764,
http://link.springer.com/article/10.1007%2Fs11051-012-1021-3?LI=true#,
https://publications.jrc.ec.europa.eu/repository/handle/JRC67182,
10.1007/s11051-012-1021-3,
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