• Dissolution of rare earth elements from phosphate ore in hydrochloric acidHacialioglu-Erlenheim, Gizem; Tõnsuaadu, Kaia; Urtson, Kristjan; Kallaste, Toivo; Trikkel, AndresXIV International Mineral Processing and Recycling Conference : proceedings2021 / p. 166-171 : ill https://imprc.tfbor.bg.ac.rs/download/IMPRC_2021_Proceedings.pdf
• Elements distribution between solid and liquid phases in hydrochloric acid treatment of phosphate oreHacialioglu-Erlenheim, Gizem; Tõnsuaadu, Kaia; Urtson, Kristjan; Kallaste, Toivo; Trikkel, AndresGSFMT Scientific Conference 2021 : Tartu, June 14-15, 2021 : abstracts2021 / P 54 https://fmtdk.ut.ee/wp-content/uploads/2021/06/GSFMT_abstractbook_2021.pdf
• A new perspective on fluorapatite dissolution in hydrochloric acid : thermodynamic calculations and experimental studyTõnsuaadu, Kaia; Kallas, Juha; Kuusik, Rein, keemik; Hacialioglu-Erlenheim, Gizem; Trikkel, AndresInorganics2021 / art. 65, 11 p. : ill https://doi.org/10.3390/inorganics9080065 https://www.scopus.com/sourceid/21100857210 https://www.scopus.com/record/display.uri?eid=2-s2.0-85113373907&origin=inward&txGid=cb8a90ade7937176b2fea79688e0efc7 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=INORGANICS&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000689302900001