Recommended Methods obsolete No. 18 - Materials Used as Cigarette Tipping Papers Having a Perforated Zone - Determination of Unit Air-flow and Permeability January 1991
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. 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
Recommended Methods No. 23 - Determination of Total and Nicotine-Free Dry Particulate Matter using a Routine Analytical Cigarette - Smoking Machine Determination of Total Particulate Matter and Preparation for Water and Nicotine Measurements (CRM developed into ISO 4387) Aug. 1991 - second edition
Recommended Methods No. 24 - Cigarettes – Sampling (CRM developed into ISO 8243) Aug. 1991 - second edition