Tob. Sci., 1981, 25-16, p. 57-60, ISSN. 0082-4523
Spectrophotometric determination of filtration efficiency of cigarette filters
Research Laboratories, Tennessee Eastman Company, Eastman Chemicals Division. Eastman Kodak Company, Kingsport, Tennessee 37662.
A spectrophotometric method was developed for determining the efficiency of cigarette filters. The method is a modification of one proposed by Smit. The new spectrophotometric method can also be used to determine indirectly the amount of dry...