Capillary electrophoretic analysis of calcium and magnesium acetate samples produced from oil shale industry wasteUmerenkova, Violetta; Muldma, Kati; Närep, Angelica; Mets, Birgit; Kaldas, KristiinaEuroanalysis 2025 : XXII European Conference on Analytical Chemistry : Abstract Book2025 / art. P2-074 ; p. 583 https://www.euroanalysis2025.com/images/site/abstracts/ABSTRACT_EUROANALYSIS_2025.V13.pdf Exploring different methods for valorising oil shale ash into calcium and magnesium acetate de-icersMuldma, Kati; Mets, Birgit; Siirde, Andres; Umerenkova, Violetta; Lopp, Margus; Kaldas, KristiinaFuture Frontiers : PhD Conference on Emerging Technologies : Book of Abstracts2025 / p. 27 ; poster 18 https://tuit.ut.ee/sites/default/files/2025-05/PhD%20Conference%202025%20Book%20of%20Abstracts_pub3.pdf