Samples with the prefix "NS" were cross-sectioned and embedded in epoxy resin while samples with the prefix "MR" were analysed after cleaning but without further sample preparation (as described in te
Additional file 1: Table S1. LA-ICP-MS data of Piscinas Municipales de Poniente glass, oxides and chlorine are given in [wt% ], elements in [ppm]. Table S2. Average LA-ICP-MS data of glass standards c
Results are presented in weight percent oxide/element and ppm/element. EPMA results for the major and some minor element oxides (Na2O, SiO2, CaO, MgO, K2O and Al2O3) and the LA-ICP-MS results for the