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ISO 19749:2021

Nanotechnologies - Measurements of particle size and shape distributions by scanning electron microscopy
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ISO 19749:2021

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

PUBLISH DATE 2021
ISO 19749:2021

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.

SDO ISO: International Organization for Standardization
Document Number ISO 19749
Publication Date July 1, 2021
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 229
Publish Date Document Id Type View
July 1, 2021 ISO 19749:2021 Revision