. 2018 Jun 13;8(38):21541–21550. doi: 10.1039/c8ra03099e

Amount of surface functional groups of ACs with different treatments.

Samples	AC	AC-N	AC-O	AC-T
Basic groups (mmol g⁻¹)	0.271	0.057	0.133	0.244
Phenolic (mmol g⁻¹)	0.095	0.434	0.272	0.057
Lactonic (mmol g⁻¹)	0.104	0.093	0.148	0.065
Carboxylic (mmol g⁻¹)	0.238	0.855	0.528	0.005