High purity graphene oxide powder sonicated in di-ionised water.
Graphene Purity 99.99%
Carbon content: 50-60%
Oxygen content: 40-50% 
Hydrogen: 0-2%
Colour: Brown 
 
High Concentration: 4g added per ltr
 
Note: Hydrogen used in sonication process to seperate graphene layers. Customers can order this product without hydrogen by emailing us CheapGraphene@wholesale-graphene.com 
 
Ideal for research and development and product development.