[国外标准] BS ISO 6488-2004 Tobacco and tobacco products Determination of water content — Karl Fischer method
[国外标准] BS ISO 15517-2003 Tobacco —Determination of nitrate content —Continuous-flow analysis method
[国外标准] BS ISO 15153-2003 Tobacco Determination of the content of reducing substances Continuous-flow analys
[国外标准] BS ISO 10185-2004 Tobacco and tobacco products — Vocabulary