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Technical rule [WITHDRAWN]

VDI 3491 Blatt 11:1990-01

Particulate matter measurement; generation of test aerosols using ultrasonic atomizers

German title
Messen von Partikeln; Herstellung von Prüfaerosolen unter Verwendung von Ultraschallzerstäubern
Publication date
1990-01
Original language
German, English

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Publication date
1990-01
Original language
German, English

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Short description
Ultrasonic atomizers are used to generate polydisperse aerosols from aqueous solutions. Solid particles are produced at number concentrations of 106 to 107 cm-3 in flow rates of about 60 m3/h. Depending on the frequency used, droplets with mass median diameters of 2 to 40 µm are produced.
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This document has been replaced by:: VDI 3491 Blatt 2:2017-01 .

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