Robuta

https://www.osti.gov/pages/biblio/1326459-graphene-oxide-membranes-high-permeability-selectivity-dehumidification-air
The U.S. Department of Energy's Office of Scientific and Technical Information
graphene oxidemembraneshighpermeabilityselectivity
https://www.astm.org/membership-participation/technical-committees/workitems/workitem-wk90073
ASTM International - Standards Worldwide
test methodair permeabilitynewcoefficienthardened