Mudassir Iqbal
Graphene oxide has no pH. pH is the negative logarithm of the activity of hydrogen ions contained in water. The term "adjust pH" can refer to a dispersed system of graphene oxide in water. This means that the pH of the dispersed system must be constant. Buffer solutions have a constant pH.
Thank you very much for taking the time to answer me.
I mean when I prepared graphene oxide by Hammar's method and in the last phase when graphene oxide is dispersed in the water. At this stage, the graphene oxide solution needs to adjust its pH. It takes too much time to adjust the pH of the solution by the centrifugation process. After that, it will be proceeded further.
Usually working on chemical synthesis pH plays a vital role in reaction. pH is maintained to stop the reaction, at the end of reaction there should be no H+ or OH- ions remaining which further react to produce some more by products by capturing some gas molecules from environment. Usually in most of reactions PH=9 is maintained in chemical synthesis.
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