Abstract
The retention of ethylene glycol and X-ray-induced photo-electron spectroscopy (XPS) have been used to follow the oxidation process of two different types of graphite, a natural based and an artificial one. From both methods it is apparent that the oxidation process is almost complete by about 24–32 hr. The specific velocity of the oxidation process has been calculated from both methods, giving values in reasonable agreement; consequently it appears that these methods are consistent when the oxidation kinetics are deduced. In all cases the amount of oxygen and the specific velocity in graphite oxide from the artificial graphite is higher than that in graphite oxide from the natural based one.
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