This folder contain the data genereated in this research. The are classified as per the way they appear in the thesis Chapter 3: This folder contains the data of the following paper: Khudhur F. W. K., Macente, A., MacDonald J.M., Daly L., 2022. Image-based analysis of weathered slag for calculation of transport properties and passive carbon capture Microsc. Microanal. 28, 1514-1525. https://doi.org/10.1017/S1431927622000915. Chapter 4: This folder contains the data of the following paper: Khudhur F. W. K, MacDonald, J.M., Daly, L., Macente, A., Spruženiece, L., Griffin, S., WilsonC., 2023. Microstructural analysis of slag properties associated with calcite precipitation due to passive CO2 mineralization, Micron (174) 103532. https://doi.org/10.1016/j.micron.2023.103532. Chapter 5: This folder contains the data of the following paper: Khudhur, F.W.K., Divers, M., MacDonald, J.M., Einsle, J.F., Wildman, M., 2023. Interrogation of slag microstructural properties through a machine learning-based approach aided by mass spectrometry. Available on Zenodo Preprint Server. https://doi.org./10.5281/zenodo.8389122 Please refer to the Readme.txt file of the respective folder to for further information.