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This is to certify that your paper entitled «Synthesis and Kinetic Investigation of Fe-Mn Binary Metal Oxide for Adsorption of Black Reactive ۵ Dye» was indexed with 5 pages, in the CIVILICA citation database, code COI:SENACONF12_118, after evaluation and approval of the referees of the "12th National Congress of the New Technologies in Sustainable Development of Iran held in Tehran 2024.

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.