ISO - 19749
Nanotechnologies — Measurements of particle size and shape distributions by scanning electron microscopy
Organization: | ISO |
Publication Date: | 1 July 2021 |
Status: | active |
Page Count: | 78 |
ICS Code (Nanotechnologies): | 07.120 |
scope:
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.
Document History
