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Science版 - Re: [转载] separating nanoparticles
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话题: separating话题: esolution话题: th话题: solvents
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c*s
发帖数: 2145
1
to seperate thiol capped nanoparticles, I think you can use
several methods.
1. add some solvents to make phase seperation, commonly used
solvents such as methanol, acetone or iso-propanol, this
method usually works, if th esolution is rotary evaporate
first, th eeffect is better
2. you can dialysis th esolution first to remove some
by-product, such as salts(supposed there exists some salts
in th esolution) after that, the particle became instable
and precipitate occurs, then you can use centrig
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