Proceedings of the International scientific and practical conference ―Paris Science and Education Forum‖ (March 2-4, 2026) / Publisher website: www.naukainfo.com. – Paris, France, 2026. - 293 p.

94 CHEMISTRY, CHEMICALAND BIOENGINEERING UDC 615.074:543.253:547.94 Diadchenko Vladyslav Valeriyovych PhD, Associate Professor, Deputy Head of the Chair of Chemistry and Chemicals Warfare Agents Military Institute of Armored Forces of National Technical University «Kharkiv Polytechnic Institute» Kharkiv, Ukraine Blazheyevskiy Mykola Yevstakhovich Doctor of chemical science, Professor General Chemistry Department National University of Pharmacy, Ministry of Health of Ukraine Kharkiv, Ukraine Kryskiv Oleg Stepanovych Moroz Valerii Petrovych PhD, Associate Professor General Chemistry Department National University of Pharmacy, Ministry of Health of Ukraine Kharkiv, Ukraine SIMPLE IODOMETRIC AND VOLTAMMETRIC DETERMINATION OF CODEINE, USING N-OXIDATION REACTION WITH DIPEROXYDECANEDIOIC ACID