The article discusses the Josefa d’ Óbidos workshop, focusing on the materials and technical evolution of significant Portuguese paintings from the 17th century. Various analytical methods were employed to analyse the artworks, including XRF, Micro-Fourier Transform Infrared spectroscopy, Optical microscopy, Confocal Micro-Raman spectroscopy, and SEM-EDS. These techniques helped identify elements, compounds, pigments, and binders present in the paintings.
The study revealed the transition in techniques from panel to canvas, showcasing changes in layer thickness and composition. Evolutionary processes from panel to canvas were observed, with distinct differences in ground and priming layers. The analysis also highlighted the use of different pigments, binders, and materials in the artworks, shedding light on the technical procedures employed by Josefa d’ Óbidos and her workshop.
Colour analysis of various shades, including yellow, green, purple, and brown, provided insights into the pigments and dyes used in different layers of the paintings. The research emphasised the importance of understanding the materials and techniques employed by artists to appreciate the historical significance and artistic evolution of the artworks.
Overall, the study contributes to the understanding of Josefa d’ Óbidos’ work, revealing the intricate details of her paintings and the technical advancements in the Portuguese painting workshop of the 17th century. The analysis of materials, colours, and techniques offers valuable insights into the artistic practices of the time and showcases the skill and innovation of Josefa d’ Óbidos as a prominent painter in the Proto-Baroque style.