本书为世界卫生组织（WHO）烟草实验室网络（TobLabNet）成员编写的标准操作规程（SOP）。包括电子烟烟液中烟碱、甘油和丙二醇含量的测定，无烟烟草制品中烟碱含量的测定，无烟烟草制品中水分含量的测定，无烟烟草制品pH的测定，加热型烟草制品中烟碱、甘油和丙二醇含量的测定5个标准操作规程。本书为世界卫生组织（WHO）烟草实验室网络（TobLabNet）成员编写的标准操作规程（SOP）。包括电子烟烟液中烟碱、甘油和丙二醇含量的测定，无烟烟草制品中烟碱含量的测定，无烟烟草制品中水分含量的测定，无烟烟草制品pH的测定，加热型烟草制品中烟碱、甘油和丙二醇含量的测定5个标准操作规程。

CONTENTS
WHO TobLabNet SOP 11
Standard operating procedure for determination of nicotine, glycerol and propylene glycol in e-liquids 61
WHO TobLabNet SOP 12
Standard operating procedure for determination of nicotine content in smokeless tobacco products 81
WHO TobLabNet SOP 13
Standard operating procedure for determination of moisture content in smokeless tobacco products 94
WHO TobLabNet SOP 14
Standard operating procedure for determination of the pH of smokeless tobacco products 102
WHO TobLabNet SOP 15
Standard operating procedure for determination of nicotine, glycerol and propylene glycol content in the tobacco of heated tobacco products 109