Tob. Sci., 1960, 4-13, p. 56-61, ISSN.0082-4623
Evaluation of cigarette filter efficiency by photofluorometry
Research Laboratories, Tennessee Eastman Company, Kingsport, Tennessee USA
Solutions of tobacco smoke in methanol, when exposed to light of 365-mµ wavelength, exhibit fluorescence in the region of 400-600 mµ. The intensity of the integrated fluorescence in this spectral band is proportional to the weight of smoke solids...