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Filtration of Nanoparticles

KY
in Applied Chemistry

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I am trying to use a filter to clean silica nanoparticles, but most filters retain the particles, the particles seem to have an affinity towards them. What membrane should I use?

  • 2 weeks later...

Just guessing... you want the filter to retain everything but your silica ?

Is it dry or wet ? Have you tried pressure as in osmotic membranes ? Is the contaminant particles size known ? Would ultrasonics be of help ?

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