Table 2.

Thickness of the prepared films/membranes using 1 wt % formic acid solvent. Chitosan–gelatin films (1:1 g; r = 0.5).

Film/Membrane Composition	Film/Membrane Thickness (mm)
1 wt % Chitosan	0.058 ± 0.001
2 wt % chitosan	0.093 ± 0.001
r = 0.5	0.058 ± 0.001
r = 0.5 + 1.5 mM F	0.051 ± 0.002
r = 0.5 + 3.0 mM F	0.051 ± 0.001
r = 0.5 + 4.5 mM F	0.052 ± 0.001
r = 0.5 + 6.0 mM F	0.052 ± 0.001
r = 0.5 + 3.0 mM F plasticized	0.051 ± 0.001