A metrological approach to improve accuracy and reliability of ammonia measurements in ambient air

Andrea Pogány (Corresponding Author), David Balslev-Harder, Christine F. Braban, Nathan Cassidy, Volker Ebert, Valerio Ferracci, Tuomas Hieta, Daiana Leuenberger, Nicholas A. Martin, Céline Pascale, Jari Peltola, Stefan Persijn, Carlo Tiebe, Marsailidh M. Twigg, Olavi Vaittinen, Janneke Van Wijk, Klaus Wirtz, Bernhard Niederhauser

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Abstract

The environmental impacts of ammonia (NH3) in ambient air have become more evident in the recent decades, leading to intensifying research in this field. A number of novel analytical techniques and monitoring instruments have been developed, and the quality and availability of reference gas mixtures used for the calibration of measuring instruments has also increased significantly. However, recent inter-comparison measurements show significant discrepancies, indicating that the majority of the newly developed devices and reference materials require further thorough validation. There is a clear need for more intensive metrological research focusing on quality assurance, intercomparability and validations. MetNH3 (Metrology for ammonia in ambient air) is a three-year project within the framework of the European Metrology Research Programme (EMRP), which aims to bring metrological traceability to ambient ammonia measurements in the 0.5-500 nmol mol-1 amount fraction range. This is addressed by working in three areas: (1) improving accuracy and stability of static and dynamic reference gas mixtures, (2) developing an optical transfer standard and (3) establishing the link between high-accuracy metrological standards and field measurements. In this article we describe the concept, aims and first results of the project.

Original languageEnglish
Article number115012
JournalMeasurement Science and Technology
Volume27
Issue number11
DOIs
Publication statusPublished - 5 Oct 2016
MoE publication typeA1 Journal article-refereed

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Ammonia
ammonia
Gas Mixture
Metrology
air
Air
Measuring instruments
Quality Assurance
Gas mixtures
Traceability
metrology
gas mixtures
Discrepancy
High Accuracy
Calibration
Availability
Monitoring
assurance
Quality assurance
availability

Cite this

Pogány, A., Balslev-Harder, D., Braban, C. F., Cassidy, N., Ebert, V., Ferracci, V., ... Niederhauser, B. (2016). A metrological approach to improve accuracy and reliability of ammonia measurements in ambient air. Measurement Science and Technology, 27(11), [115012]. https://doi.org/10.1088/0957-0233/27/11/115012
Pogány, Andrea ; Balslev-Harder, David ; Braban, Christine F. ; Cassidy, Nathan ; Ebert, Volker ; Ferracci, Valerio ; Hieta, Tuomas ; Leuenberger, Daiana ; Martin, Nicholas A. ; Pascale, Céline ; Peltola, Jari ; Persijn, Stefan ; Tiebe, Carlo ; Twigg, Marsailidh M. ; Vaittinen, Olavi ; Van Wijk, Janneke ; Wirtz, Klaus ; Niederhauser, Bernhard. / A metrological approach to improve accuracy and reliability of ammonia measurements in ambient air. In: Measurement Science and Technology. 2016 ; Vol. 27, No. 11.
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Pogány, A, Balslev-Harder, D, Braban, CF, Cassidy, N, Ebert, V, Ferracci, V, Hieta, T, Leuenberger, D, Martin, NA, Pascale, C, Peltola, J, Persijn, S, Tiebe, C, Twigg, MM, Vaittinen, O, Van Wijk, J, Wirtz, K & Niederhauser, B 2016, 'A metrological approach to improve accuracy and reliability of ammonia measurements in ambient air', Measurement Science and Technology, vol. 27, no. 11, 115012. https://doi.org/10.1088/0957-0233/27/11/115012

A metrological approach to improve accuracy and reliability of ammonia measurements in ambient air. / Pogány, Andrea (Corresponding Author); Balslev-Harder, David; Braban, Christine F.; Cassidy, Nathan; Ebert, Volker; Ferracci, Valerio; Hieta, Tuomas; Leuenberger, Daiana; Martin, Nicholas A.; Pascale, Céline; Peltola, Jari; Persijn, Stefan; Tiebe, Carlo; Twigg, Marsailidh M.; Vaittinen, Olavi; Van Wijk, Janneke; Wirtz, Klaus; Niederhauser, Bernhard.

In: Measurement Science and Technology, Vol. 27, No. 11, 115012, 05.10.2016.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - A metrological approach to improve accuracy and reliability of ammonia measurements in ambient air

AU - Pogány, Andrea

AU - Balslev-Harder, David

AU - Braban, Christine F.

AU - Cassidy, Nathan

AU - Ebert, Volker

AU - Ferracci, Valerio

AU - Hieta, Tuomas

AU - Leuenberger, Daiana

AU - Martin, Nicholas A.

AU - Pascale, Céline

AU - Peltola, Jari

AU - Persijn, Stefan

AU - Tiebe, Carlo

AU - Twigg, Marsailidh M.

AU - Vaittinen, Olavi

AU - Van Wijk, Janneke

AU - Wirtz, Klaus

AU - Niederhauser, Bernhard

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N2 - The environmental impacts of ammonia (NH3) in ambient air have become more evident in the recent decades, leading to intensifying research in this field. A number of novel analytical techniques and monitoring instruments have been developed, and the quality and availability of reference gas mixtures used for the calibration of measuring instruments has also increased significantly. However, recent inter-comparison measurements show significant discrepancies, indicating that the majority of the newly developed devices and reference materials require further thorough validation. There is a clear need for more intensive metrological research focusing on quality assurance, intercomparability and validations. MetNH3 (Metrology for ammonia in ambient air) is a three-year project within the framework of the European Metrology Research Programme (EMRP), which aims to bring metrological traceability to ambient ammonia measurements in the 0.5-500 nmol mol-1 amount fraction range. This is addressed by working in three areas: (1) improving accuracy and stability of static and dynamic reference gas mixtures, (2) developing an optical transfer standard and (3) establishing the link between high-accuracy metrological standards and field measurements. In this article we describe the concept, aims and first results of the project.

AB - The environmental impacts of ammonia (NH3) in ambient air have become more evident in the recent decades, leading to intensifying research in this field. A number of novel analytical techniques and monitoring instruments have been developed, and the quality and availability of reference gas mixtures used for the calibration of measuring instruments has also increased significantly. However, recent inter-comparison measurements show significant discrepancies, indicating that the majority of the newly developed devices and reference materials require further thorough validation. There is a clear need for more intensive metrological research focusing on quality assurance, intercomparability and validations. MetNH3 (Metrology for ammonia in ambient air) is a three-year project within the framework of the European Metrology Research Programme (EMRP), which aims to bring metrological traceability to ambient ammonia measurements in the 0.5-500 nmol mol-1 amount fraction range. This is addressed by working in three areas: (1) improving accuracy and stability of static and dynamic reference gas mixtures, (2) developing an optical transfer standard and (3) establishing the link between high-accuracy metrological standards and field measurements. In this article we describe the concept, aims and first results of the project.

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