I have synthesized different size ranged gold nanoparticles by citrate reduction method. Now I want to purify the gold nanoparticles from the aqueous solution of gold-citrate. Please suggest me any simple method for the same.
Thanks with regards
Thanks John for your response. I have synthesized 13 nm to 76 nm sized nanoparticles.
Dear Vikas,
For 13 nm AuNPs, the procedure is same as suggested by John. Usually the AuNP get aggregated if you replace citrate.
Best wishes
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