ČSN EN ISO 19749 (012008)

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

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STANDARD published on 1.9.2023


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The information about the standard:

Designation standards: ČSN EN ISO 19749
Classification mark: 012008
Catalog number: 517377
Publication date standards: 1.9.2023
SKU: NS-1152352
The number of pages: 84
Approximate weight : 283 g (0.62 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

The category - similar standards:

Annotation of standard text ČSN EN ISO 19749 (012008):

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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