How to separate graphene oxide and graphite oxide centrifugation?
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After dilution with water, large aggregates as well as unreacted graphite were removed by centrifugation (7000 rpm, 5 min). The graphene oxide was collected and purified by repeated centrifugation (8000 rpm, 60 min) and re-dispersion in water until the pH of the supernatant was neutral.
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Answer:
Explanation:
After dilution with water, large aggregates as well as unreacted graphite were removed by centrifugation (7000 rpm, 5 min). The graphene oxide was collected and purified by repeated centrifugation (8000 rpm, 60 min) and re-dispersion in water until the pH of the supernatant was neutral.
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