Synthesis, Structural, and Adsorption Properties and Thermal Stability of Nanohydroxyapatite/Polysaccharide Composites

Table 1 Textural characteristics of initial nHAp and nHAp/PS nanocomposites

Sample	S _BET (m²/g)	S _micro (m²/g)	S _meso (m²/g)	S _macro (m²/g)	V _p (cm³/g)	V _micro (cm³/g)	V _meso (cm³/g)	V _macro (cm³/g)	R _p,V (nm)
nHAp	106	7.3	85	14	0.54	0.004	0.35	0.19	22.3
nHAp/agar 4:1	75	1.2	71	2.9	0.35	0.001	0.31	0.05	17.0
nHAp/agar 1:1	43	14	29	0.1	0.26	0.009	0.24	0.05	11.3
nHAp/SA 4:1	82	6.4	73	2.6	0.42	0.002	0.36	0.05	16.7
nHAp/SA 1:1	1	0.0	0.8	0.2	0.10	0.0	0.08	0.02	63.6
nHAp/chitosan 4:1	53	0.1	52	1.3	0.25	0.0	0.23	0.02	15.4
nHAp/chitosan1:1	8	0.3	6.2	1.2	0.11	0.0	0.03	0.08	63.4
nHAp/FB300 4:1	49	7.4	41	0.9	0.25	0.003	0.23	0.02	14.7
nHAp/FB300 1:1	0.3	0.1	0.0	0.2	0.00	0.001	0.00	0.001	88.6
nHAp/APA103 4:1	56	0.4	55	1.1	0.25	0.0	0.23	0.02	13.9

Specific surface area in total (S _BET), micropores (S _micro), mesopores (S _meso), and macropores (S _macro) and respective pore volumes (V _p, V _micro, V _meso, V _macro). R _p,V is the average pore radius with respect to the pore volume