Tob. Sci., 1966, 10-16, p. 68-72, ISSN.0082-4623
The surface area of fibrous filters
Celanese Fibers Company, Charlotte, North Carolina USA
A BET gas adsorption technique of surface area measurement utilizing krypton gas in a commercial apparatus has been applied to cellulose acetate filter media. Examination of a variety of cigarette filter rods indicated that surface area is dependent...