Articles | Volume 14, issue 10
Atmos. Meas. Tech., 14, 6395–6406, 2021
https://doi.org/10.5194/amt-14-6395-2021
Atmos. Meas. Tech., 14, 6395–6406, 2021
https://doi.org/10.5194/amt-14-6395-2021
Research article
05 Oct 2021
Research article | 05 Oct 2021

Bromine speciation in volcanic plumes: new in situ derivatization LC-MS method for the determination of gaseous hydrogen bromide by gas diffusion denuder sampling

Alexandra Gutmann et al.

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Short summary
Motivated by a special interest in bromine chemistry in volcanic plumes, the study presented here describes a new method for the quantitative collection of gaseous hydrogen bromide in gas diffusion denuders. The hydrogen bromide reacted during sampling with appropriate epoxides applied to the denuder walls. The denuder sampling assembly was successfully deployed in the volcanic plume of Masaya volcano, Nicaragua.