Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Kate Tronner"'
Analysis of Swedish Silver Coins: Silver Surface Enrichment, Dirt, Corrosion, Polishing, and Origins
Autor:
Kate Tronner, Anders G. Nord
Publikováno v:
Studies in Conservation. 66:211-219
Fifty-eight Swedish silver coins from the last five centuries were analysed by SEM-EDX and other techniques. All coins, even those from the twentieth century, showed a surface enrichment of silver....
Autor:
Kate Tronner, Anders G. Nord
Publikováno v:
Studies in Conservation. 63:477-481
Copper trihydroxychloride [Cu2Cl(OH)3] exists with four polymorphs: atacamite, paratacamite, clinoatacamite, and botallackite. They have all been used as green pigments, usually under the name atac...
Publikováno v:
Studies in Conservation. 63:189-193
Discoloured 18-carat gold decorations from Sweden have been analysed by scanning electron microscopy with energy dispersive X-ray spectroscopy and X-ray electron spectroscopy (XPS)/electron spectro...
Publikováno v:
Journal of Cultural Heritage. 23:162-169
Sweden has several hundred churches with relatively well-preserved mediaeval mural paintings. A few churches possess murals painted in a Russian-Byzantine style, most of them on the island of Gotland in the Baltic Sea. Four Gotland stone churches are
Publikováno v:
Journal of Cultural Heritage. 16:856-861
A plausible origin of lead can often be proposed from its stable isotope ratios. The isotopic composition of 28 lead pigments from mediaeval mural paintings in 14 churches in south Sweden were analyzed. In general minium (Pb 3 O 4 ) or its oxidized t
Publikováno v:
Studies in Conservation. 57:183-186
A yellowish copper vanadate mineral has been found in Swedish mural paintings from the fifteenth century. Small patches occur in malachite-green paint. Thirteen samples from five churches have been analyzed by optical and scanning electron microscopy
Publikováno v:
Antiquity. 78:380-390
This interdisciplinary project, initiated by the National Heritage Board in Sweden, was undertaken to determine the environmental factors affecting the deterioration of archaeological bronzes in Scandinavia – while they still lie underground. The p
Publikováno v:
Water, Air, & Soil Pollution. 85:2725-2730
Corrosion of bronze in soil is a well-known phenomenon. In particular, archaeological artefacts which may remain in the soil for thousands of years are subject to severe corrosion. However, bronze objects excavated 50–100 years ago seem to be less
Publikováno v:
Atmospheric Environment. 28:2615-2622
About 1400 samples of building stone have been collected in Sweden and other European countries, mainly from polluted areas but also from countryside districts. All samples have been analysed by SEM/EDS, and some selected by other techniques like XRP
Publikováno v:
GFF. 116:105-108
185 samples of quartz‐cemented Lingulid Sandstone, mainly from the Forshem church near Kinnekulle in Vastergotland (southern Sweden) but also from some local quarries, have been analysed by SEM/EDS and other techniques. The irregular blackish, grey