DEVICE FOR COLLECTING PARTICLES CONTAINED IN AN AEROSOL, COMPRISING ELECTROMETRES TO DETERMINE NANOPARTICLE CONCENTRATION AND PARTICLE SIZE

The invention relates to a method and device for collecting nanoparticles which may be present in an aerosol. The invention consists of electrostatically collecting nanoparticles contained in an aerosol by a mechanism of particle charging by unipolar ion diffusion, followed by the application of a f...

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Hauptverfasser: CLAVAGUERA, Simon, RENOT, Quentin, POURPRIX, Michel
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Sprache:eng ; fre ; ger
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creator CLAVAGUERA, Simon
RENOT, Quentin
POURPRIX, Michel
description The invention relates to a method and device for collecting nanoparticles which may be present in an aerosol. The invention consists of electrostatically collecting nanoparticles contained in an aerosol by a mechanism of particle charging by unipolar ion diffusion, followed by the application of a field without a corona effect, which makes it possible to deposit the particles in concentric rings on different parts of a single flat substrate oriented orthogonally to the aerosol circulation direction. The biggest particles are deposited towards the centre of the flat substrate and the finest particles towards the periphery of the flat substrate. The invention also relates to a method of operation and to the use of such a device for evaluating the exposure of workers or consumers to nanoparticles.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS
MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROMSOLID MATERIALS OR FLUIDS
MEASURING
PERFORMING OPERATIONS
PHYSICS
SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS
TESTING
TRANSPORTING
title DEVICE FOR COLLECTING PARTICLES CONTAINED IN AN AEROSOL, COMPRISING ELECTROMETRES TO DETERMINE NANOPARTICLE CONCENTRATION AND PARTICLE SIZE
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