@article{physicochemical-characterization-of-graphene-oxide-synthesized-from-spent-lithium-ion-battery-anode-graphite-via-the-tour-method,
  author    = {Kusumaningtyas, Andien and Naibaho, Marzuki},
  title     = {Physicochemical Characterization of Graphene Oxide Synthesized from Spent Lithium-Ion Battery Anode Graphite via the Tour Method},
  journal   = {Green and Sustainable Membranes},
  year      = {2026},
  pages     = {1--5},
  doi       = {10.62755/gsmb.2026.05},
  keywords  = {graphene oxide, Tour method, spent lithium-ion battery, anode graphite recycling, oxygen functional groups, UV–Vis spectroscopy},
}