Iron oxide nanoparticle hydrogel composite | Making in situ reduction | Magnetic responsive Ferrogel

How to make magnetic field responsive hayrogel, Ferrogel, in situ reduction reaction magnetic nanoparticles obtain in hyrogel. Ferro magnetite Fe3O4 nano particles hydrogel composite system. Ferrogel - Magnetic area responsive hyrogel. Iron 3+ and iron 2+ ions adsobed by anionic hydrogel. These ions reduced by Sodium Hydroxide. Magnetit ferrit nano particles occured inside the hydrogel.
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[@rosyjayaprakash5682]

Hello sir plz tell me how to synthesis fe3o4 in solgel method sir

[@polymerscope6881]

U can find the details: www.sciencedirect.com/science/article/pii/S138151482200061X