SS-EN-ISO-19749 › Nanotechnologies - Measurements of particle size and shape distributions by scanning electron microscopy (ISO 19749:2021)
SS-EN-ISO-19749
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2023 EDITION
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CURRENT
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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.
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Designation Name
SS-EN ISO 19749:2023
Revision Level
2023 EDITION
Status
Current
Publication Date
April 19, 2023
Language(s)
English
Page Count
84
International Equivalent
EN ISO 19749:2023(IDT); ISO 19749:2021(IDT)