SYNTHESIS AND APPLICATION OF NANOTRACERS BASED ON MIXED IRON–COBALT OXIDE FOR EVALUATION OF THE QUALITY OF MIXING IN LIQUID FEED

REPORTS OF THE NAS RK Pub Date : 2023-03-30 DOI:10.32014/2023.2518-1483.201

©. S. Mendigaliyeva, I. Irgibaeva, N. Barashkov, T. V. Sakhno, A. A. Aldongarov, Mendigaliyeva Svetlana, Samiguliyena — L.N. Gumilyov, Irgibaeva Irina Smailovna, Viktorivna, Aldongarov Anuar Akylkhanovich, ©. С. Мендіғалиевa, И.С. Иргибаевa, Н.Н. Барашков, T.В. Сахно, A. A. Aлдонгаров, Л.Н. Гумилев атындағы Еуразия, Ұлттық Университеті, Қазақстан Астана, Мендіғалиева Светлана, Самигуллиевна — Л.Н. Гумилев, Еуразия Ұлттық, ©. С. Мендигалиевa, С. Иргибаевa

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Abstract

. Nanoparticles combining iron oxide (higher 95 %) and manganese oxide (below 5 %) have been prepared by mixing aqueous solutions of ferrous chloride, ferric chloride, cobalt chloride and ammonium hydroxide following by continued stirring and heating the forming colloidal Co-containing magnetite. The possibility of forming a stable nanotracer suspensions based on prepared nanoparticles in aqueous solutions of surfactants such as ammonium oleate and dimethylamine salt of oleic acid has been demonstrated. The particle size of the nanotracer has been determined by the Nanoparticle Tracking Analysis (NTA) method based on direct visualization and analysis of nanoparticles in aqueous media containing two types of surfactants. It has feen found that the medium size of nanoparticles doesn’t exceed 90 nm. The possibility of using the prepared

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