The Amphoteric Ion Exchange Membrane Based on CS/CMC for Tobacco-Protein Adsorption and Separation from Tobacco Extract

Table 1

Physical characteristics of the macroporous CS/CMC blend membranes.

Sample	(200-300)		(200-300)		100% CS (200-300)
Disposition	Dense	Porous	Dense	Porous	Dense	Porous
Density (g/cm^3)	0.3996	0.2221	0.4529	0.2684	0.4237	0.1949
Pore size (μm)	—	30-50	—	20-40	—	30-50
Porosity (%)	—	54.53	—	40.74	—	54.00