Samples were also examined by Quantitativo-Ray fluorescence spectroscopy by means of verso Surface Filmato instrument supplied by Assing

Samples were also examined by Quantitativo-Ray fluorescence spectroscopy by means of verso Surface Filmato instrument supplied by Assing

The XRF spectra were obtained with the following experimental conditions: Mo tube operating at 25 kV voltage and 300 ?A beam current; scan time 120 s; distance 95 mm.

Regarding wood samples, thin sections were obtained according esatto the anatomic wood directions and described following the IAWA list of microscopic features for hardwood and softwood identification [12, 13]. Thin sections of the wood sample were examined under verso Polyvar 100 optical microscope equipped with per PIXeLINK digital camera dei deputati.

Temperature (T) and relative humidity (RH) values have been recorded through a digital giorno logger Tomo 177-H1 model. The datazione logger has been calibrated and hanged on the northern wall of presbytery. Datazione have been recorded from 26 of July puro 8 of September and then elaborated by Excel programma onesto obtain maximum, minimum, average values and norma deviation throughout the analysed period. The temperature and divisee humidity impresa and failure indexes were also calculated and showed in the tolerance matrix, sopra order esatto obtain a synthetic expression of the results [14, 15].

Painting material analysis

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Stratigraphic and chemical analysis revealed the presence of superimposed layers constituted by several different materials. For this kind of artefacts it is usual esatto find many superimposed painted layers coppia esatto verso continuous usage of the object that has got a demo-ethno anthropological significance.

Leer másSamples were also examined by Quantitativo-Ray fluorescence spectroscopy by means of verso Surface Filmato instrument supplied by Assing

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