Literature review on the performance of diffusive samplers for the measurement of ammonia in ambient air and emissions to air - LARA - Libre accès aux rapports scientifiques et techniques Accéder directement au contenu
Rapport Année : 2018

Literature review on the performance of diffusive samplers for the measurement of ammonia in ambient air and emissions to air

Résumé

The information in this document has formed the basis from which a new standard on measurements employing ammonia diffusive samplers by CEN TC264 WG11 'Ambient air - Diffusive samplers' is being developed and provides an open reference document for the ammonia passive sampling techniques. This document briefly summarises the importance of ammonia as a key atmospheric pollutant, together with information on relevant EU and other international legislation and protocols that are in place to regulate its concentration. An extensive review of the technology that is currently employed to monitor this molecule is presented. Denuders, which are considered the unofficial international reference method are described and other technologies outlined. The report summarises information on ammonia diffusive samplers from different manufacturers that are currently available in the market and presented an extensive literature summary of quality assurance and calibration which has been carried out both by manufacturers and sampler users. Results are provided from a recent European study (“Metrology for ammonia in ambient air (MetNH3)”), which targeted improvements in traceability and accuracy of ambient ammonia diffusive samplers. New traceable measurements of the ammonia diffusive sampling rates for passive samplers in common use are presented, and an evaluation of the expanded measurement uncertainty for the calculations of ambient ammonia concentrations.
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Dates et versions

hal-04291628 , version 1 (17-11-2023)

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  • HAL Id : hal-04291628 , version 1

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Christine F Braban, Frans de Bree, Sabine Crunaire, Marina Fröhlich, Eddy Goelen, et al.. Literature review on the performance of diffusive samplers for the measurement of ammonia in ambient air and emissions to air. CEH. 2018. ⟨hal-04291628⟩
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