This is a peer-reviewed manuscript version of the article: Piperno, L., Rasi, S., De Santis, S., Masi, A., Santoni, A., Mancini, A., Angrisani Armenio, A., Pinto, V., Farjas, J., Sotgiu, G., & Celentano, G. Elucidation of the decomposition reactions of low-fluorine YBa2Cu3O7-x precursors during film pyrolysis. Journal of Analytical and Applied Pyrolysis, vol. 148 (June 2020), art. 104777. DOI https://doi.org/10.1016/j.jaap.2020.104777 The Published Journal Article is available at: https://doi.org/10.1016/j.jaap.2020.104777 © 2020. This manuscript version is made available under the CC-BY- NC-ND 4.0 license https://creativecommons.org/licenses/by-nc- nd/4.0/