Challenges in the size analysis of a silica nanoparticle mixture as candidate certified reference material

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2016
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Kestens, Vikram
Roebben, Gert
Herrmann, Jan
Jämting, Åsa
Coleman, Victoria
Minelli, Caterina
Clifford, Charles
De Temmerman, Pieter-Jan
Mast, Jan
Junjie, Liu
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Journal of Nanoparticle Research. 2016, 18(6), 171. ISSN 1388-0764. eISSN 1572-896X. Available under: doi: 10.1007/s11051-016-3474-2
Zusammenfassung

A new certified reference material for quality control of nanoparticle size analysis methods has been developed and produced by the Institute for Reference Materials and Measurements of the European Commission's Joint Research Centre. The material, ERM-FD102, consists of an aqueous suspension of a mixture of silica nanoparticle populations of distinct particle size and origin. The characterisation relied on an interlaboratory comparison study in which 30 laboratories of demonstrated competence participated with a variety of techniques for particle size analysis. After scrutinising the received datasets, certified and indicative values for different method-defined equivalent diameters that are specific for dynamic light scattering (DLS), centrifugal liquid sedimentation (CLS), scanning and transmission electron microscopy (SEM and TEM), atomic force microscopy (AFM), particle tracking analysis (PTA) and asymmetrical-flow field-flow fractionation (AF4) were assigned. The value assignment was a particular challenge because metrological concepts were not always interpreted uniformly across all participating laboratories. This paper presents the main elements and results of the ERM-FD102 characterisation study and discusses in particular the key issues of measurand definition and the estimation of measurement uncertainty.

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Fachgebiet (DDC)
540 Chemie
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Certified reference material; Interlaboratory comparison study; Measurement uncertainty; Measurand; Particle size analysis; Quality assurance; Silicia nanoparticles; Nanotechnology
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ISO 690KESTENS, Vikram, Gert ROEBBEN, Jan HERRMANN, Åsa JÄMTING, Victoria COLEMAN, Caterina MINELLI, Charles CLIFFORD, Pieter-Jan DE TEMMERMAN, Jan MAST, Liu JUNJIE, Frank BABICK, Helmut CÖLFEN, Hendrik EMONS, 2016. Challenges in the size analysis of a silica nanoparticle mixture as candidate certified reference material. In: Journal of Nanoparticle Research. 2016, 18(6), 171. ISSN 1388-0764. eISSN 1572-896X. Available under: doi: 10.1007/s11051-016-3474-2
BibTex
@article{Kestens2016Chall-34974,
  year={2016},
  doi={10.1007/s11051-016-3474-2},
  title={Challenges in the size analysis of a silica nanoparticle mixture as candidate certified reference material},
  number={6},
  volume={18},
  issn={1388-0764},
  journal={Journal of Nanoparticle Research},
  author={Kestens, Vikram and Roebben, Gert and Herrmann, Jan and Jämting, Åsa and Coleman, Victoria and Minelli, Caterina and Clifford, Charles and De Temmerman, Pieter-Jan and Mast, Jan and Junjie, Liu and Babick, Frank and Cölfen, Helmut and Emons, Hendrik},
  note={Article Number: 171}
}
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