Gebby Wevi Angraini and Ramli 2023. Effect of Addition of Seaweed (Sargassum sp.) Charcoal with Pure Graphite on the Microstructure of Graphene Oxide Synthesized by the Modified Hummer’s Method. Journal of Experimental and Applied Physics. 1, 2 (Sep. 2023). DOI:https://doi.org/10.24036/jeap.v1i2.18.