Table 4. Results of Pore Size and Pore Volume Determined Using Different Methods from Low-Pressure N₂ Adsorption Isotherms.

	pore size (nm)						pore volume (cc/g)
sample no.	avg.	BJH	DH	DR	DA	DFT	BET	BJH	DH	t-method	DR	DFT
JHK-1	8.69	2.98	2.98	11.68	2.90	3.97	0.022	0.018	0.017	0.002	0.014	0.019
JHK-2	9.46	2.99	2.99	12.88	3.14	3.97	0.019	0.017	0.017		0.009	0.016
JHK-3	7.38	5.09	5.09	1.82	1.68	3.97	0.018	0.013	0.012	0.003	0.008	0.016
JHK-4	4.27	3.16	3.16	6.21	2.10	1.41	0.002	0.002	0.002			0.001
JHK-5	9.46	19.22	2.99	3.14	1.38	0.78	0.017	0.006	0.006			0.004
JHK-6	8.97	3.53	3.53	2.36	1.98	1.41	0.007	0.006	0.006		0.002	0.006
JHK-7	8.17	2.99	2.99	11.89	2.98	3.97	0.019	0.016	0.016		0.009	0.016
JHK-8	8.13	3.16	3.16	1.66	1.70	3.97	0.008	0.011	0.011		0.002	0.011
JHK-9	6.77	2.99	2.99	1.70	1.68	3.97	0.016	0.013	0.013	0.001	0.003	0.014
JHK-10	4.52	2.98	2.98	12.56	3.00	3.17	0.006	0.009	0.009		0.007	0.009
JHK-11	8.12	3.33	3.33	13.12	3.12	3.97	0.017	0.016	0.015		0.009	0.014
JHK-12	7.26	2.99	2.99	12.76	3.06	3.97	0.017	0.015	0.015		0.009	0.014
JHK-13	5.48	3.34	3.34	13.29	3.16	3.80	0.008	0.004	0.008		0.004	0.007
JHK-14	5.26	3.32	3.32	13.37	3.08	2.77	0.010	0.010	0.010		0.008	0.009
JHK-15	6.74	2.99	2.99	2.09	1.84	3.97	0.019	0.016	0.015	0.001	0.007	0.016