Articles | Volume 11, issue 12
https://doi.org/10.5194/amt-11-6429-2018
https://doi.org/10.5194/amt-11-6429-2018
Research article
 | 
03 Dec 2018
Research article |  | 03 Dec 2018

The importance of cylinder passivation for preparation and long-term stability of multicomponent monoterpene primary reference materials

Nicholas D. C. Allen, David R. Worton, Paul J. Brewer, Celine Pascale, and Bernhard Niederhauser

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Latest update: 25 Feb 2024
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Short summary
This paper investigates the stability of trace level static terpene primary reference materials (PRMs) and how the choice of passivation affects this process. For the first time, sampling canisters that can be used in the field are tested and demonstrated to be suitable for terpene mixtures. The PRMs were compared against a novel dynamic generator system based on dilution of pure limonene vapour emitted from a permeation tube. The effect of cylinder pressure and decanting are also investigated.