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This is to certify that your paper entitled «Investigation of simulation calculations for the removal of water contaminants by the synthesized yttrium metal organic framework(MOFs)» was indexed with 4 pages, in the CIVILICA citation database, code COI:MRSS03_025, after evaluation and approval of the referees of the "Third National Congress of Chemistry and Nanochemistry from Research to National Development held in Tehran 2021.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above conference and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.