biostudies-literatureUnknown27(22)Colantonio CPalazzo Valentini, the institutional head office of Città Metropolitana di Roma Capitale, stands in in a crucial position in the Roman archaeological and urban contexts, exactly between the Fora valley, Quirinal Hill slopes, and Campus Martius. It stands on a second-century A.D. complex to which belong, between other archeological remains, two richly decorated aristocratic domus. One of these buildings, the <i>domus A</i>, presents an outward porticoed room with a fourth-century AD central <i>impluvium</i> (open air part of the atrium designed to carry away rainwater) with a black/white tiled mosaic pavement, the preservation status of which is compromised by an incoherent degradation product that has caused gradual detachment of the mosaic tiles. To identify the product and determine the Molecules (Basel, Switzerland)7765https://www.ebi.ac.uk/biostudies/studies/S-EPMC9699458biostudies-literatureVisual and Physical Degradation of the Black and White Mosaic of a <i>Roman Domus</i> under Palazzo Valentini in Rome: A Preliminary Study.PMC9699458Colantonio CBaldassarri PVisco GAstolfi MLAvino PfalseVisual and Physical Degradation of the Black and White Mosaic of a <i>Roman Domus</i> under Palazzo Valentini in Rome: A Preliminary Study.Palazzo Valentini, the institutional head office of Città Metropolitana di Roma Capitale, stands in in a crucial position in the Roman archaeological and urban contexts, exactly between the Fora valley, Quirinal Hill slopes, and Campus Martius. It stands on a second-century A.D. complex to which belong, between other archeological remains, two richly decorated aristocratic domus. One of these buildings, the <i>domus A</i>, presents an outward porticoed room with a fourth-century AD central <i>impluvium</i> (open air part of the atrium designed to carry away rainwater) with a black/white tiled mosaic pavement, the preservation status of which is compromised by an incoherent degradation product that has caused gradual detachment of the mosaic tiles. To identify the product and determine the 2022-01-01T00:00:00Z2022 Nov2025-04-19T00:36:56.978Z2025-04-07T11:44:44.729ZS-EPMC96994583643186610.3390/molecules27227765