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prSRPS EN ISO 21363:2025

Nanotechnologies — Measurements of particle size and shape distributions by transmission electron microscopy

General information

10.99     Nov 23, 2025

ISS

Z229

European Norm

English  

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

PREVIOUSLY

PUBLISHED
SRPS EN ISO 21363:2022

NOW

PROJECT
prSRPS EN ISO 21363:2025
10.99 New project approved
Nov 23, 2025

Related project

Adopted from prEN ISO 21363 rev IDENTICAL

Adopted from ISO/AWI 21363 IDENTICAL