Recommended Methods No. 39 - Determination of the Purity of Nicotine and Nicotine Salts by Gravimetric Analysis - Tungstosilicic Acid Method (CRM developed into ISO 13276:1997) Nov. 1994
Recommended Methods No. 38 - Determination of Reducing Carbohydrates in Tobacco by Continuous Flow Analysis (CRM developed into ISO 15154: 2003) Aug. 2010 - second edition
Recommended Methods No. 37 - Determination of Reducing Substances in Tobacco by Continuous Flow Analysis (CRM developed into ISO 15153:2003) Aug. 2010 - second edition
Recommended Methods No. 36 - Determination of Nitrate in Tobacco and Smokeless Tobacco Products by Reduction to Nitrite and Continuous Flow Analysis (CRM developed into ISO 15517:2003) Jan. 2015 - fourth edition
Recommended Methods obsolete No. 35 - Determination of Total Alkaloids (as Nicotine) in Tobacco by Continuous Flow Analysis (CRM developed into ISO 15152:2003) Aug. 2010 - second edition
Recommended Methods No. 34 - Determination of Citrate in Cigarette Paper (CRM developed into ISO 20369:2009) Jan. 1993
Recommended Methods No. 33 - Determination of Acetate in Cigarette Paper (CRM developed into ISO 20370:2009) Jan. 1993
Recommended Methods obsolete No. 32 - Determination of Residues of the Suckercide Off-Shoot-T (N-alkanol mixture) on Tobacco June 1991
Recommended Methods obsolete No. 31 - Determination of Residues of the Suckercide Pendimethalin (Accotab, Stomp) on Tobacco June 1991
Recommended Methods obsolete No. 30 - Determination of Residues of the Suckercide Flumetralin (Prime Plus, CGA-41065) on Tobacco June 1991