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I’m needing a method to turn cotton into a fine powder for use as a source of cellulose. What suggestions would you give to accomplish this with materials/tools that could be obtained at local stores?

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  • $\begingroup$ Would a blender followed by using a mortar and pestle grind it fine enough? $\endgroup$ – roffster Jul 22 '15 at 6:04
  • $\begingroup$ Though the mortar and pestle had come to mind, the blender has been less than successful in application. $\endgroup$ – Adam Cat Jul 22 '15 at 6:25
  • $\begingroup$ Have you tried shredding it by hand before putting it in the blender? To be honest, your only way to convert fibers into powder is through some sort of mechanical action. $\endgroup$ – roffster Jul 22 '15 at 6:27
  • $\begingroup$ At least several synthesis procedures I'm aware of and requiring cellulose as starting material use cotton as it is. $\endgroup$ – permeakra Jul 22 '15 at 6:48
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    $\begingroup$ In a lab I would freeze it in liquid nitrogen (so it becomes brittle) and then use a pestle and mortar or a cooled grinder. Probably not too easy to get liquid nitrogen for home though. $\endgroup$ – Gerhard Jul 22 '15 at 7:45
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The content of cellulose in paper is not as high as that of cotton, however, it may be easier to use as a source if you do require a fine powder. Why do you require cellulose?

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