After centrifugation, particles settled down and also along the centrifuge tube wall. and after drying the pellet in oven, yield of silver powder is too low . Kindly suggest the best way of separating and drying to obtain silver nano powder.
After centrifugation washed your nanoparticles with ethanol 2, 3 time. You will get dry powder form of nanoparticles.
Thanks sir @ Muhammad Ismail , i will try it.
you can go for Spray drier
Thanks @ramya
Very nice discussion
percentage of ethanol?
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