Recommended Methods No. 39 - Determination of the Purity of Nicotine and Nicotine Salts by Gravimetric Analysis - Tungstosilicic Acid Method (CRM developed into ISO 13276) Nov. 1994
Recommended Methods obsolete No. 40 - Determination of Air Permeability of Materials used as Cigarette Papers, Filter Plug Wrap and Filter Joining Paper including Materials having an Oriented Permeable Zone (CRM developed into ISO 2965) October 1994
Recommended Methods No. 12 - Determination of Alkaloids in Cigarette Smoke Condensate (CRM developed into ISO 3400) Sept. 1968
Recommended Methods No. 13 - Determination of Alkaloid Retention by Cigarette Filters (CRM developed into ISO 3401) Sept. 1968
Recommended Methods No. 20 - Determination of Alkaloids in Manufactured Tobacco (CRM developed into ISO 2881) Sept. 1968