governmentchemist


First nanoparticle CRM developed by Nick Boley
November 20, 2014, 11:50
Filed under: EU Information, Nanomaterials | Tags: ,

The world’s first certified reference material (CRM) of a nano-substance has been developed and released to the market by the Institute of Reference Materials and Measurements (IRMM) of the European Commission’s Joint Research Centre in Geel, Belgium.

The material, which consist of two distinct silica nanoparticle groups, with nominal particle sizes of 20nm and 80nm diameter (ERM®-FD102) allows testing laboratories to validate particle sizing methods in a metrologically sound manner in the nanoscale range (1 nm to 100 nm). It has been characterised using a range of techniques including dynamic light scattering, atomic force microscopy, electron microscopy, particle tracking analysis and centrifugal liquid sedimentation.

This marks a significant breakthrough in our metrological measurement capability needed to underpin the EU’s definition of a nanomaterial, which is due to published in its final form in early 2015. It is not possible to properly regulate this important new branch of the chemical industry without appropriate validated methods to ascertain what is and what is not a nanomaterial, and this CRM is a very important step on this path.

 

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