BS ISO 21501-1:2009
Current
The latest, up-to-date edition.
Determination of particle size distribution. Single particle light interaction methods Light scattering aerosol spectrometer
Hardcopy , PDF
English
30-06-2009
Foreword
Introduction
1 Scope
2 Terms and definitions
3 Requirements
3.1 Size range
3.2 Counting efficiency
3.2.1 General
3.2.2 Lower size limit
3.2.3 Upper size limit
3.3 Size resolution
3.4 Sizing accuracy
3.5 Sampling flow rate
3.6 Effective detection flow rate
3.7 Maximum particle number concentration
4 Test method
4.1 Size calibration
4.2 Effective detection flow rate
4.3 Maximum particle number concentration
4.4 Size resolution
4.5 Counting efficiency
Annex A (informative) - Principle of the instruments
Annex B (informative) - Particle size standards
Annex C (informative) - Effects of the LSAS parameters
on the particle size and particle number
concentration determination
Annex D (informative) - Representative sampling
Annex E (informative) - Example of an LSAS calibration with
DEMS-classified PSL particles
Bibliography
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