Please check below the previous RG discussion on synthesis of GO. https://www.researchgate.net/post/What_is_the_simplest_method_to_synthesise_graphene_oxide

Please check below:

DOI: 10.1039/C6RA07626B

DOI: 10.1038/s41598-018-30613-4

DOI: 10.1021/nn1006368

DOI: 10.1016/j.proeng.2017.04.118

I synthesize GO based on the method presented in the following article using an ultrasonic bath.

Article Ultrasound-assisted magnetic dispersive solid-phase microext...

Please check below:

Science and Engineering of Graphene Oxide (DOI: 10.1002/ppsc.201300232).

Synthesis of Graphene Oxide using Modified Hummers Method:

Solvent Influence (DOI: 10.1016/j.proeng.2017.04.118).

Regards,

Hii,

Follow Improved hummers method for the production of good quality of graphene oxide.

Article Improved synthesis of graphene oxide. ACS Nano 4:4806-4814

All the best.