Enthalpic Contribution of Ni(II) in the Interaction between Carbonaceous Material and Aqueous Solution

Table 1

Physiochemical characterization of the carbonized oxidized solids.

Solid	Surface area (m^2g^−1)	Carboxylic groups (mmolg^−1)	Phenolic groups (mmolg^−1)	Lactonic groups (mmolg^−1)	Total acidity (mmolg^−1)	Total basicity (mmolg^−1)
CC	130	0.13	0.23	0.10	0.46	0.28
CCox3	122	0.26	0.16	0.15	0.57	0.12
CCox6	115	0.38	0.17	0.20	0.75	0.10
CCox9	110	0.46	0.42	0.38	1.26	0.07