ISO 20720:2018

Microbeam analysis — Methods of specimen preparation for analysis of general powders using WDS and EDS

Publication date: 18 tet 2018

General information

Current stage: 90.93 Effective date: 30 pri 2024

Originator: ISO

Owner: ISO/TC 202

Type: International Standard

ICS: 71.040.99

Gjuha: anglisht

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Statusi: Publikuar

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Scope

This document specifies specimen preparation methods for the analysis of particles in powders using energy-dispersive spectrometers (EDS) or wavelength-dispersive spectrometers (WDS) installed on an EPMA or SEM. The preparation methods for powder particle analysis are classified by the analytical purpose and the particle size.
This document applies to inorganic particles larger than 100 nm and smaller than 100 µm in diameter.
It applies only to analysis of "general" powders, which means that it excludes procedures for special applications such as forensic or trace analysis.

Life cycle

NOW

PUBLISHED
ISO 20720:2018
90.93 Standard confirmed
30 pri 2024