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Technical rule [CURRENT]

VDI 3869 Blatt 3:2010-10

Measurement of ammonia in ambient air - Sampling with diffusion separators (denuders) - Photometric or ion chromatographic analysis

German title
Messen von Ammoniak in der Außenluft - Probenahme mit beschichteten Diffusionsabscheidern (Denudern) - Fotometrische oder ionenchromatografische Analyse
Publication date
2010-10
Original language
German, English
Pages
44

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Publication date
2010-10
Original language
German, English
Pages
44

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Short description
This guideline presents a method for the determination on the mass concentration of gaseous ammonia in ambient air. Due to the low ambient concentrations of ammonia, active accumulating sampling is used. Here a selective separation of gaseous ammonia using the principle of diffusion is described. The measurement method for ammonia in ambient air described here can be used in the range of mass concentrations up to 25 µg/m3 (as monthly average). According to the measurement task and type of sampler, hourly to monthly average values can be determined with decreased sampling duration for higher concentrations too.
Content
ICS
13.040.40
Replacement amendments

This document replaces VDI 2461 Blatt 1:1974-03 .

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