From: Deciphering the effect of citric acid on arsenic adsorption with phosphorene in aqueous solution
Graphene species
Particle size (nm)
pHzpc
As species
Adsorption capacities (mg g− 1)
Reference
Fe3O4-graphene
–
As(III)
0.0103
[17]
Fe3O4-graphene-MnO2 composites
10
7
As(V)
12.2
[18]
GO-ZrO (OH)2
3.27
17.2
[3]
phosphorene
5.58
3.0
20
This study