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Eleven Onyx monolithic C18 columns (100 x 3 mm) were connected in series to obtain a high-capacity reversed-phase HPLC column providing 110,000 theoretical plates. The column was used to fractionate a complex mixture of semi-polar and apolar components within marine dissolved organic matter (DOM), isolated using solid-phase extraction (SPE) on poly(styrene–divinylbenzene) cartridges, and Suwannee...
The preparation of processable graphene oxide colloids called chemically converted graphene (CCG) involves the following steps: oxidation of graphite to form graphite oxide; exfoliation of graphite oxide to form graphene oxide (GO); and reduction of GO to form CCG. In this work, the exfoliation and reduction steps were monitored by capillary zone electrophoresis (CZE). CZE was performed in fused silica...
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