Abstract: Based on scientific research findings, a comprehensive radiochemistry experiment has been designed to investigate the preparation and stability of Eu(III)-silicate colloids. The framework for this experiment includes the preparation of environmental colloids, followed by morphological and structural analyses. Additionally, it examines the effects of environmental factors, such as pH and ionic strength, on the stability of the colloids. The experiment also explores aggregation kinetics and incorporates theoretical calculations of the DLVO (Derjaguin-Landau-Verwey-Overbeek) interaction energy. This study is thorough and demonstrates a strong connection to existing knowledge. The reagents used are readily available, the procedures are straightforward, and the success rate is high. The primary aim of the experiment is to train students in research methods associated with environmental colloids, as well as the principles and operations of various analytical instruments and data analysis. This experiment not only enhances students’ overall experimental skills but also fosters their interest in scientific research within the field of radiochemistry, thereby broadening their academic horizons.

Key words: Comprehensive radiochemistry experiment, Eu(III)-silicate colloids, Aggregation kinetics, DLVO theory