Test method to measure the efficiency of air filtration media against spherical nanomaterials - Part 2: Size range from 3 nm to 30 nm (ISO/TS 21083-2:2019)
测量空气过滤介质对球形纳米材料效率的测试方法 - 部分:尺寸范围为3-30 nm
发布日期:
2019-04-03
实施日期:
2019-04-03
本文件规定了平板过滤介质对3〜30nm范围内的空气传播纳米颗粒的过滤效率的测试仪器和程序
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.