Title: Basic comparison of particle size distribution measurements of pigments and fillers using commonly available industrial methods
Authors: VICENT PENA Juan BautistaKUND KlausHEMPELMANN UweWOHLLEBEN WendelKOCH ThomasBURKE AlisonMCNULTY GregHARTL-GUNSELMANN AngelikaKNOBL StefanREISINGER MartinGILLILAND DouglasGIBSON PeterSOKULL-KLUETTGEN BirgitSTAMM HermannLIEWALD Heike
Editors: GILLILAND Douglas
GIBSON Peter
HEMPELMANN Uwe
Publisher: Publications Office of the European Union
Publication Year: 2014
JRC N°: JRC92531
ISBN: 978-92-79-43974-2
ISSN: 1831-9424
Other Identifiers: EUR 26916
OP LB-NA-26916-EN-N
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC92531
DOI: 10.2788/21024
Type: EUR - Scientific and Technical Research Reports
Abstract: The Nanobiosciences Unit of the Joint Research Centre’s Institute for Health and Consumer Protection and Eurocolour, the association of European pigments, dyes and fillers industry, have carried out a program of work to evaluate a number of instrumental methods of measuring particle size distributions as required for assessing compliance versus the EU Recommendation for the definition on nanomaterials. The study has examined the use of five instrumental methods applied to a range of eight widely different but industrially relevant powder pigments. The techniques examined were Laser Diffraction (LD), Dynamic Light Scattering (DLS), Centrifugal Liquid Sedimentation (CLS), Volume Specific Surface Area (VSSA) and Electron Microscopy (EM). This report describes the materials studied and the preparative and analytical methods used. Individual chapters provide an overview of the single analytical methods used together with a summary of the results obtained using each particular method. In considering the results of this study it is important to note that the aim was not to determine the optimum conditions for every individual sample but rather to produce and evaluate data which could be considered representative of that obtainable in industrial laboratories using existing instrumental facilities operated by experienced but not specialised operators. The report discusses the challenges of using these instrumental methods to obtain a simple unambiguous classification of the test materials according to the EC definition.
JRC Directorate:Institute for Health and Consumer Protection Historical Collection

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