Draft technical rule [WITHDRAWN]
VDI 3867 Blatt 5:2010-05 - Draft
Measurement of particles in ambient air - Determination of particle number concentration and particle size distribution of aerosols - Time-of-flight spectrometer
- German title
- Messen von Partikeln in der Außenluft - Bestimmung der Partikelanzahlkonzentration und Anzahlgrößenverteilung von Aerosolen - Flugzeitspektrometer
- Publication date
- 2010-05
- Original language
- German
- Pages
- 15
- Publication date
- 2010-05
- Original language
- German
- Pages
- 15
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Short description
This guideline describes the use of the time-of-flight spectrometer for the determination of the particle number concentration and the number size distribution in ambient air. This type of instrument is able to measure continuously the absolute number concentration and the number size distribution of aerosol particles. Basis is the direct measurement of the aerodynamic diameter of airborne particles in real-time. Time-of-flight spectrometers are also used for filter testing, for the specification of inhalators, in inhalation toxicology and, in combination with suitable dispersers, in powder measurement technology. The measurement range covers the aerodynamic diameter of approx. 0,5 µm to approx. 15 µm and the number concentration of less than 1 cm-3 to approx. 10.000 cm-3.
Content
ICS
13.040.20
Replacement amendments
This document has been replaced by: VDI 3867 Blatt 5:2013-11 .
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