How can I conduct the solid- liquid separation of nano particles (50-100nm level) of Zinc oxide in water?

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Mauro Francisco Pinheiro Da silva

You can try add to your suspension penthanoic, hexanoic acid or larger organic hydrophobic alkyl acids. ZnO caped nanoparticles would be floating from water media and could be separated by organic apolar solvents.

I hope you reach a good separation!

mauro

Alevtina Neyman

you can use centrifuge (max rpm for 20-30 min), decant liquid, dry the pellet on air.