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ISO 21363:2020

Nanotechnologies — Measurements of particle size and shape distributions by transmission electron microscopy ISO 21363:2020

Publication date:   Jun 25, 2020

General information

90.92   Standard to be revised   Nov 19, 2025

ISO

ISO/TC 229 Nanotechnologies

International Standard

07.120   Nanotechnologies

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Scope

This document specifies how to capture, measure and analyse transmission electron microscopy images to obtain particle size and shape distributions in the nanoscale.
This document broadly is applicable to nano-objects as well as to particles with sizes larger than 100 nm. The exact working range of the method depends on the required uncertainty and on the performance of the transmission electron microscope. These elements can be evaluated according to the requirements described in this document.

Life cycle

NOW

PUBLISHED
ISO 21363:2020
90.92 Standard to be revised
Nov 19, 2025

REVISED BY

IN_DEVELOPMENT
ISO/AWI 21363




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