The painting collection of Santa Casa da Misericórdia da Lourinhã is amongst Portugal’s most notable and scarcely best-known cultural heritage. The artistic interest of this pictorial group, besides the advanced state of degradation of a number of the paintings, together with the ruined circumstances of the building accommodating the collection, today in reconstruction, were the key reasons for this study. Thermo-hygrometric measurements were carried out. A multianalytical methodology incorporating micro-X-ray diffraction (µ-XRD), energy-dispersive X-ray fluorescence spectroscopy (EDXRF), scanning electron microscopy−energy dispersive spectroscopy (SEM−EDS), micro-Raman spectroscopy (µ-Raman), micro-Fourier transform infrared spectroscopy (µ-FTIR) has been followed for the study. These analyses were complemented by infrared photography (IRP) and reflectography (IRR), allowing the study of the underdrawing technique. The results of this study were compared with previous ones of the painter’s workshop and important distinctions and similarities were found within the materials and techniques used. This analysis methodology on materials contributes to safeguarding and the ensuing community awareness of this cultural heritage in danger.
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机译：Santa Casa daMisericórdiadalourinhã的绘画集合是葡萄牙最值得注意的且几乎不知情的文化遗产之一。此图表组的艺术兴趣，除了许多绘画的高级退化状态之外，与建筑物的破坏情况一起适用于收集，今天在重建中是这项研究的主要原因。进行热湿度测量。掺入微X射线衍射（μ-XRD），能量分散X射线荧光光谱（EDXRF），扫描电子显微镜 - 能量色散光谱（SEM-EDS），微拉曼光谱（μ-拉曼）的多显天方法，进行了微傅里叶变换红外光谱（μ-FTIR）进行了研究。这些分析由红外摄影（IRP）和反射（IRR）补充，允许研究欠绘制技术。将本研究的结果与以前的画家研讨会的结果进行了比较，并且在所用材料和技术中发现了重要的区别和相似之处。该分析方法有助于维护和随后的社区对这种文化遗产的认识。
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