Hi, Anyone please help me to give a protocol or link to get magnetic iron oxide nanoparticle, Now i am making it by fecl3. anhydrous and iron sulphate in 2:1 ratio with base (nh4oh) at ph 10. it was not stable. stability increased by adding ph regulated curcumin to it. Sometimes i get good magnetite. but sometuimes the particle doesnt show any magnetic property. I dont know how to optimize. anyone please help.
Dear Linshina Thuluvath
Magnetite nanoparticles are relatively easy to obtain. What you have to do is to have both Fe+2 and Fe+3 sources and a precipitant. The nature of the precipitan will directly impact on the size distribution. I would recommend you to use for instance NH4OH (instead of the typical NaOH)
I can share you a own protocol.
6.1 g of FeCl3·6H2O and 4.2 g of FeSO4·7H2O were dissolved in 100 mL of ultrapure H2O under continuous stirring and heating to 90 °C. Magnetite was coprecipitated by the addition of 50 mL of a 25% amonium hydroxyde solution. Attached to this msg you will find the paper.
All the best,
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