Precision equipment for reproducing particle sizes and numerical concentrations in aerosols, suspensions, and powders

Precision equipment for reproducing particle sizes and numerical concentrations in aerosols, suspensions, and powders

Precision equipment is described for reproducing the unit of numerical concentration and size for particles in aerosols, suspensions, and powders in the concentration range from 4·10^sup 7^ to 4·10^sup 13^ m^sup -3^ with average particle dimensions of 1-100 μm. The apparatus is based on small-angle...

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Veröffentlicht in:Measurement techniques 1997-09, Vol.40 (9), p.917-919
Hauptverfasser: Karpov, O V, Lesnikov, E V, Petrov, G D
Format: Artikel
Sprache:eng
Schlagworte:
Aerosols
Beer law
Lasers
Numerical analysis
Particle size
Scattering
Studies
Systematic errors
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Zusammenfassung:Precision equipment is described for reproducing the unit of numerical concentration and size for particles in aerosols, suspensions, and powders in the concentration range from 4·10^sup 7^ to 4·10^sup 13^ m^sup -3^ with average particle dimensions of 1-100 μm. The apparatus is based on small-angle laser-beam scattering and Beer's law. The optical system is described. The residual systematic error in reproducing the numerical concentration and unit does not exceed 12% in the above concentration and size ranges.[PUBLICATION ABSTRACT]
ISSN:0543-1972
1573-8906
DOI:10.1007/BF02504502