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BSI BS EN ISO 19749:2023

Nanotechnologies. Measurements of particle size and shape distributions by scanning electron microscopy
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BSI BS EN ISO 19749:2023

Nanotechnologies. Measurements of particle size and shape distributions by scanning electron microscopy

PUBLISH DATE 2023
PAGES 80
BSI BS EN ISO 19749:2023
This document specifies methods of determining nanoparticle size and shape distributions by acquiring and evaluating scanning electron microscope images and by obtaining and reporting accurate results. This document applies to particles with a lower size limit that depends on the required uncertainty and on the suitable performance of the SEM, which is to be proven first -according to the requirements described in this document. This document applies also to SEM-based size and shape measurements of larger than nanoscale particles.
SDO BSI: British Standards Institution
Document Number ISO 19749
Publication Date April 13, 2023
Language en - English
Page Count 80
Revision Level
Supercedes
Committee NTI/1
Publish Date Document Id Type View
July 19, 2021 BS ISO 19749:2021 Revision
April 13, 2023 BS EN ISO 19749:2023 Consolidated