1Key Takeaways
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.This document applies to particles with a lower size limit that depends on the required uncertainty and on the suitable…
2Scope / Description
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.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.This document applies also to SEM-based size and shape measurements of larger than nanoscale particles.
6Frequently Asked Questions
What is EVS-EN ISO 19749:2023?
EVS-EN ISO 19749:2023 — Nanotechnologies - Measurements of particle size and shape distributions by scanning electron microscopy (ISO 19749:2021) is an international standard developed by Estonian Centre for Standardisation. 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.This document applies to particles with a lower...
What does EVS-EN ISO 19749:2023 cover?
This standard covers: 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.This document applies to particles with a lower size limit that depends on the required...
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
How do I purchase EVS-EN ISO 19749:2023?
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