Development of a new radial passive sampling device for atmospheric NOx determination

Talanta
Oriana MottaAntonio Proto

Abstract

In this paper we used Na2CO3-impregnated silica as reactive substrate for the determination of atmospheric NOx (NO+NO2) by using a passive sampling device, with radial symmetry, which is unprecedented. We conducted laboratory and field tests at an urban setting, with co-located passive samplers and continuous measurements of NOx by a chemiluminescence detector, used as reference. The performance of the carbonate-based sorbent for the NOx sampler was evaluated in two different time frames (autumn 2016 and winter 2017), characterised by different environmental conditions. The comparison of the NOx concentration levels measured by passive sampling, using Na2CO3 as NOx sorbent, showed a close relationship with those obtained by the chemiluminescence analyzer. Validation experiments in the laboratory and in the field are reported together with the calculation of the diffusion-sampling rate of the samplers.

References

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Oct 16, 2007·Analytica Chimica Acta·Agata Kot-WasikJacek Namieśnik
Nov 28, 2013·Environmental Science and Pollution Research International·Antonio ProtoOriana Motta
Dec 4, 2014·Analytica Chimica Acta·Mariusz MarćJacek Namieśnik
Jan 6, 2015·Environmental Pollution·Cindy DeForest HauserJuliana Porter
Jun 3, 2016·Environmental Science and Pollution Research International·Audrius Dėdelė, Auksė Miškinytė
Jan 22, 2017·Talanta·Raffaele CuccinielloOriana Motta

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Citations

Jan 4, 2021·Environmental Science and Pollution Research International·Concetta PirontiOriana Motta
Apr 5, 2021·Environmental Science and Pollution Research International·Oriana MottaAntonio Proto
Apr 15, 2021·Journal of Public Health Research·Bruno CharlierViviana Izzo
Jul 1, 2021·Environmental Science and Pollution Research International·Maria RicciardiAntonio Proto

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