NVN-CEN/TS 16976:2016 en

Current standard
57 Pages
Publication date 2016-09-01
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This document is replaced by:
Ambient air - Determination of the particle number concentration of atmospheric aerosol
NVN-CEN/TS 16976 describes 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 7 nm and a few micrometres, respectively. This document describes sampling, operation, data processing and QA/QC procedures including calibration parameters.

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Extra information
Registration date
CEN/TC 264
ICS code
13.040.20 Ambient Atmospheres
Related to
CEN/TS 16976:2016, IDT
Aerosols - Determination of content - Indoor air - Air - Air quality - Air examination

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