Table 3.

Results of specific surface area and pore volume distribution of ZnO NPs.

Sample No.	Surface Area (m2·g−1)	Pore Volume (cm3·g−1)	Pore Size (nm)
Sample M	53	0.51	49
1	104	0.30	23
2	105	0.27	21
3	111	0.20	16
4	108	0.25	19
5	107	0.27	19
6	105	0.28	22
7	106	0.24	21
8	108	0.23	19
9	105	0.26	22
10	106	0.25	21
11	107	0.24	20
12	109	0.21	19
13	108	0.22	19
14	106	0.23	21
15	107	0.26	20
16	108	0.22	19
17	106	0.24	22
18	109	0.20	18
19	107	0.21	19
20	108	0.23	18