This standard was last reviewed and confirmed in 2022.
Therefore this version remains current.
Abstract
PreviewThis 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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Status: PublishedPublication date: 2019-03
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Edition: 1Number of pages: 52
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- ICS :
- 91.140.30 Ventilation and air-conditioning systems
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| Format | Language | |
|---|---|---|
| std 1 187 | PDF + ePub | |
| std 2 187 | Paper |
- CHF187
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