Data from the project "Salt efflorescence on leather objects from the Vasa ship - part II" (project identifyer RAÄ-2021-3143) doi-10-5281-zenodo-17358227-0 https://doi.org/10.5281/zenodo.17358227 Swedish National Data Service Svensk nationell datatjänst Landing page Data from the project "Salt efflorescence on leather objects from the Vasa ship - part II" (project identifyer RAÄ-2021-3143) doi-10-5281-zenodo-17358227-0 https://doi.org/10.5281/zenodo.17358227 Hacke, Marei Berg, Helena Sandström, Johanna Öhrström, Lars Mystere Amombo Noa, Francoise Swedish National Data Service Svensk nationell datatjänst Landing page Data from the project "Salt efflorescence on leather objects from the Vasa ship - part II" (project identifyer Dnr RAÄ-2021-3143). Data from the following analytical techniques is included: 1.  Scanning electron microscopy with energy dispersive x-ray spectroscopy (SEM-EDS); 2.  Raman spectroscopy; 3. FTIR spectroscopy. Instrument reports including technical specifications of each instrument as well as a sampling protocol are included. Part I of the project is found at DOI: 10.5281/zenodo.10572840. Access to data through an external actor. Data are freely accessible. Åtkomst till data via extern aktör. Data är fritt tillgängliga. openAccess