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ISO 7554-3:2026 Surgical instruments — Terms, measuring methods and test methods — Part 3: Test methods

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ISO 10873:2026 Dentistry — Denture adhesives

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ISO 30201:2026 Human resources management systems — Requirements

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ISO 21083:2019

ISO 21083:2019 Test method to measure the efficiency of air filtration media against spherical nanomaterials – Part 2: Size range from 3 nm to 30 nm

CDN $391.00

SKU: 46d63fd4cc5a Category:

Description

This document specifies the testing instruments and procedure for determining the filtration efficiencies of flat sheet filter media against airborne nanoparticles in the range of 3 nm to 30 nm. The testing methods in this document are limited to spherical or nearly-spherical particles to avoid uncertainties due to the particle shape.

Edition

1

Published Date

2019-03-22

Status

PUBLISHED

Pages

52

Language Detail Icon

English

Format Secure Icon

Secure PDF

Abstract

This document specifies the testing instruments and procedure for determining the filtration efficiencies of flat sheet filter media against airborne nanoparticles in the range of 3 nm to 30 nm. The testing methods in this document are limited to spherical or nearly-spherical particles to avoid uncertainties due to the particle shape.

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