BS 5202-7 1990 Edition, June 29, 1990
Methods for Chemical Analysis of Tobacco and Tobacco Products Part 7: Determination of Alkaloids in Smoke Condensate of Cigarettes (Spectrophotometric Method)
Additional Comments: SAME AS ISO 3400 * W/D NO S/S
Published By:British Standards Institution (BSI)
Steam distillation of a solution of condensate when acid and then when alkaline. Measurement of absorbance of the second distillate.