DOI: 10.5937/jaes0-38298
This is an open access article distributed under the CC BY 4.0
Volume 20 article 969 pages: 625
This article has been retracted at the request of the Editor-in-Chief, in line with journal Publication Ethics based on guidelines and standards developed by the Committee on Publication Ethics (COPE). This article has been retracted at the request of the authors, because they determined mistakes in conducted research which demand additional check and clarification. Therefore, the results and conclusions could be incorrect. Both autors, Vadim Potemkin and Tatiana Aleksandrova, agree to this retraction. The Authors and Editors would like to apologize to readers for not uncovering these issues during the editorial process. Retracted paper details Authors: Vadim Potemkin*, Tatiana Aleksandrova (*corresponding author) Affiliation: Saint Petersburg Mining University, Mineral Processing Department, Saint Petersburg, Russian Federation DOI: 10.5937/jaes0-31764 JAES Paper identification: 19(2021)4, 894, 1120-1125
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