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The present paper is the first instalment of a series focused on establishing some archaeometric characteristics of the modern finishings (mortars, fresco and layers of whitewash) of the Church of the Holy Archangels from Cicu, Alba County, Romania, in order to assess the shape, with the structural-functional integrity and architectural and artistic aspect of the monument for the last historical context, between 1710 and 1790. This period is the most extensive and less known of the churchs stages of transformation: 11th12th century (unknown), 15th century (known) and 18th century (partially known), which was very tumultuous from the socio-economic and political point of view. Thus, in the following pages we present the resulting archaeometric characteristics of optical microscopy (OM), scanning electron microscopes in combination with energy-dispersive X-Ray spectrometry (SEM-EDX) and thermal derivatography (TG/DTA/DTG) analyses of two pigments from the exonarthex fresco (made in 1781) and the later eight layers of whitewash applied over it, which allowed assessing the periods with marked changes in the architecture and polychrome finishings.

revista de chimie

Multianalytical Study for Establishing the Historical Contexts of the Church of the Holy Archangels from Cicau, Alba County, Romania, for its Promotion as a World Heritage Good I. Assessing the preservation-restoration works from the 18th century