what is the Carboxyl graphene powder?

Name: Carboxyl graphene powder
Description:
Carboxyl graphene is golden yellow powder, water solubility, carboxyl content of 5%
1) The graphene has a very high specific surface area, leading to its reunion is very serious, difficult to
Polar and non polar solvents dispersed.
2) graphene oxide is an intermediate modified graphene
from:Rare Metals