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We thank Antonio Paonita for the discussions and useful suggestions that helped us to improve this Comment.
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Liotta, M., Rizzo, A.L. Comment on “Evolution of CO2, SO2, HCl and HNO3 in the volcanic plumes from Etna” by Voigt et al. [Geophys. Res. Lett.; 41, doi:10.1002/2013GL058974]. Bull Volcanol 76, 864 (2014). https://doi.org/10.1007/s00445-014-0864-0
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DOI: https://doi.org/10.1007/s00445-014-0864-0