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[½»Á÷] Çó½Ì£ºImproved Synthesis of Graphene Oxide

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For workup, the mixture was sifted through a metal U.S. Standard testing
sieve (W.S. Tyler, 300 m) and then filtered through polyester fiber
(Carpenter Co.) The filtrate was centrifuged (4000 rpm for
4 h), and the supernatant was decanted away.
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