Characterization of Fourier transform infrared, cavity ring-down spectroscopy, and optical feedback cavity-enhanced absorption spectroscopy instruments for the analysis of ammonia in biogas and biomethane

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dc.contributor.authorCulleton, Lucy P.
dc.contributor.authordi Meane, Elena Amico
dc.contributor.authorWard, Michael K. M.
dc.contributor.authorFerracci, Valerio
dc.contributor.authorPersijn, Stefan
dc.contributor.authorHolmqvist, Albin
dc.contributor.authorArrhenius, Karine
dc.contributor.authorMurugan, Arul
dc.contributor.authorBrewer, Paul J.
dc.date.accessioned2022-11-14T15:56:43Z
dc.date.available2022-11-14T15:56:43Z
dc.date.issued2022-10-27
dc.description.abstractNovel traceable analytical methods and reference gas standards were developed for the detection of trace-level ammonia in biogas and biomethane. This work focused on an ammonia amount fraction at an upper limit level of 10 mg m–3 (corresponding to approximately 14 μmol mol–1) specified in EN 16723-1:2016. The application of spectroscopic analytical methods, such as Fourier transform infrared spectroscopy, cavity ring-down spectroscopy, and optical feedback cavity-enhanced absorption spectroscopy, was investigated. These techniques all exhibited the necessary ammonia sensitivity at the required 14 μmol mol–1 amount fraction. A 29-month stability study of reference gas mixtures of 10 μmol mol–1 ammonia in methane and synthetic biogas is also reported.en_UK
dc.identifier.citationCulleton LP, di Meane EA, Ward MK, et al., (2022) Characterization of Fourier transform infrared, cavity ring-down spectroscopy, and optical feedback cavity-enhanced absorption spectroscopy instruments for the analysis of ammonia in biogas and biomethane. Analytical Chemistry, Volume 94, Issue 44, November 2022, pp. 15207-15214en_UK
dc.identifier.issn0003-2700
dc.identifier.urihttps://doi.org/10.1021/acs.analchem.2c01951
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/18708
dc.language.isoenen_UK
dc.publisherAmerican Chemical Societyen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectAbsorptionen_UK
dc.subjectAbsorption spectroscopyen_UK
dc.subjectFourier transform infrared spectroscopyen_UK
dc.subjectMixturesen_UK
dc.subjectStabilityen_UK
dc.titleCharacterization of Fourier transform infrared, cavity ring-down spectroscopy, and optical feedback cavity-enhanced absorption spectroscopy instruments for the analysis of ammonia in biogas and biomethaneen_UK
dc.typeArticleen_UK

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