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DIN CEN/TS 16976

Ambient air - Determination of the particle number concentration of atmospheric aerosol; German version CEN/TS 16976:2016

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German title

Außenluft - Bestimmung der Partikelanzahlkonzentration des atmosphärischen Aerosols; Deutsche Fassung CEN/TS 16976:2016

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Engl. VDI/DIN-Kommission Reinhaltung der Luft (KRdL) - Normenausschuss
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This document describes a standard method for determining the particle number concentration in ambient air in a range up to about 10 squared 7 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 performancee 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.

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