SnO2 nanoparticles synthesis

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Akhilesh Kumar Singh

Is it hydroxide ppts? Try to do centrifugation. That will separate out your ppt and liquid.

Rahim Abdur

Yes it is Sn(OH)4. We already did it. But after centrifugation, during washing again dissolved.

What is your washing media? Water? Try using some organic solvent like alcohol. your unreacted reactant may be soluble in that. Do check if your ppt is also soluble or not?

Also after drying do check the phase purity by XRD or any other analytical method. Hope it works..