Determination of particle size distribution - Single particle light interaction methods - Part 1: Light scattering aerosol spectrometer
This document specifies characteristics of a light scattering aerosol spectrometer (LSAS) which is used for measuring the size, number concentration and number-based size distribution of particles suspended in a gas. This document provide the calibration procedure and the validation method for aerosol spectrometers.
This document applies to:
—   characterization of metered dose inhalers (MDI), dry powder inhalers (DPI) and nebulizers in pharmacy;
—   production control of active agents;
—   cut-off determination: impactors, cyclones and impingers;
—   atmospheric aerosols: bio-aerosols, stables or composting facilities, nebulized droplets, measurements in street tunnels;
—   fractional separation efficiency determination of filters.
| SDO | ISO: International Organization for Standardization |
| Document Number | ISO 21501 |
| Publication Date | Not Available |
| Language | en - English |
| Page Count | 44 |
| Revision Level | |
| Supercedes | |
| Committee | ISO/TC 24/SC 4 |
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