Prof. Bolf and research assistant Josip Sacher gave a lecture at the 65th Technical Meeting - EFCE Working Party on Fluid Separationson June 12 2023 at the Faculty of Chemical Engineering and Technology, University of Zagreb. The lecture dealt with the topic of process analytical technology (PAT) for real-time crystallisation control. Following the lecture, the participants of the symposium were shown the Laboratory for Automation and Measurement as well as the principle of PAT and its application on a laboratory scale in the crystallisation reactor.