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. 2013 Apr 20;7:72. doi: 10.1186/1752-153X-7-72

Table 2.

Elemental chemical composition of free 4-amino salicylic acid and its nanocomposite

Sample Ca (%w/w) Na (%w/w) C/N Znb (%w/w) aniona (%w/w) BET surface area m2/g BJH pore volume cm3/g BJH Average pore diameter Å
ZnO
-
-
-
(80.30)
-
6.4
0.010
111
4-ASA
58.68
9.75
6.02
-
-
-
-
-
4-ASAN 10.54 1.54 6.84 52.7 16.86 80.5 0.260 96

Value in the parentheses is a theoretical value, an estimated from CHNS analysis, bestimated from ICP analysis.