Why did graphene oxide keep absorbing water?

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Yuri Mirgorod

Hridoy Saha

Remove water by heating under vacuum. Then place the pitch in a desiccator and remove by drying over phosphorus pentoxide or anhydrous calcium chloride.

Shasika Panamaldeniya

what do you mean by its absorbing water constantly ? freeze dry is best way to dried graphene oxide.

thanks

Jiaqi He

Graphene oxide has so many functional groups so it is easy to abosrb water. Using a freeze-dryer may solve this problem.