Abstract
Abstract The Royal Palace in central Stockholm has façades built of calcite‐cemented Gotland sandstone, with socle stones of quartz‐cemented Roslagen sandstone. A total of 197 samples were analysed by SEM/EDS, XRD, and ICP. The Gotland sandstone shows many signs of serious deterioration: gypsum formation, pulverized surface, exfoliation, contour scaling, discolouration, and black gypsum crusts. The Roslagen sandstone is somewhat more resistant, displaying discolouration, cracks, and exfoliation. Three ‘micro areas’ were studied in detail, showing relationships between chemical composition and observed damage. The chemical analyses and S isotope data indicate that the stone decay to a large part may be attributed to acid rain, car traffic, and other air pollutants. Nord, A.G., 1995: Analysis of deteriorated sandstone at the Royal Palace, Stockholm. GFF, Vol. 117 (Pt. 1, March), pp. 43–48. Stockholm. ISSN 1103–5897.
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