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. 5 - Determination of Carbon Monoxide in the Mainstream Smoke of Cigarettes by Non-Dispersive Infrared Analysis (CRM developed into ISO 8454; ISO 22947) Sept. 1993 - second edition
Recommended Methods No. 33 - Determination of Acetate in Cigarette Paper (CRM developed into ISO 20370) Jan. 1993
Recommended Methods No. 34 - Determination of Citrate in Cigarette Paper (CRM developed into ISO 20369) Jan. 1993
Recommended Methods No. 7 - Determination of Nicotine in the Mainstream Smoke of Cigarettes by Gas Chromatographic Analysis (CRM developed into ISO 10315; ISO 22253) Aug. 1991 - second edition
Recommended Methods No. 8 - Determination of Water in the Mainstream Smoke of Cigarettes by Gas Chromatographic Analysis (CRM developed into ISO 10362-1) Aug. 1991 - second edition
Reports Determination of Repeatability and Reproducibility for the Measurement of Nicotine-free Dry Particulate Matter, Nicotine, Water, using CRMs 7, 8, 21, 22, 23 and 25 CORESTA Report 1991-1 Aug. 1991 - amended June 2007
Recommended Methods No. 21 - Atmosphere for Conditioning and Testing Tobacco and Tobacco Products (CRM developed into ISO 3402) Aug. 1991 - second edition
Recommended Methods No. 22 - Routine Analytical Cigarette-Smoking Machine: Specifications, Definitions and Standard Conditions (CRM developed into ISO 3308) Aug. 1991 - second edition