ISO 19749:2021
ISO 19749:2021 Nanotechnologies – Measurements of particle size and shape distributions by scanning electron microscopy
CDN $397.00
Description
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.
NOTE 1    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.
NOTE 2    This document applies also to SEM-based size and shape measurements of larger than nanoscale particles.
Edition
1
Published Date
2021-07-05
Status
PUBLISHED
Pages
71
Language
English
Format
Secure PDF
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Abstract
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.
NOTE 1    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.
NOTE 2    This document applies also to SEM-based size and shape measurements of larger than nanoscale particles.
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