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Homepage>BS EN 16976:2024 Ambient air. Determination of the particle number concentration of atmospheric aerosol
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sklademVydáno: 2024-06-28
BS EN 16976:2024 Ambient air. Determination of the particle number concentration of atmospheric aerosol

BS EN 16976:2024

Ambient air. Determination of the particle number concentration of atmospheric aerosol

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Označení normy:BS EN 16976:2024
Počet stran:60
Vydáno:2024-06-28
ISBN:978 0 539 24719 0
Status:Standard
DESCRIPTION

BS EN 16976:2024


This standard BS EN 16976:2024 Ambient air. Determination of the particle number concentration of atmospheric aerosol is classified in these ICS categories:
  • 13.040.20 Ambient atmospheres
This document specifies a standard method for determining the particle number concentration in ambient air in a range up to about 107 cm–3 for averaging times equal to or larger than 1 min. The standard method is based on a Condensation Particle Counter (CPC) operated in the counting mode and an appropriate dilution system for concentrations exceeding the counting mode range. It also defines the performance characteristics and the minimum requirements of the instruments to be used. The lower and upper sizes considered within this document are 10 nm and a few micrometres, respectively. This document gives guidance on sampling, operation, data processing and QA/QC procedures including calibration parameters.
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