The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard. 以異丙醇為溶劑;壬醇為內(nèi)標;采用氣相色譜-質(zhì)譜法分析了卷煙煙氣總粒相物中的游離乙酸;乙酸測定結(jié)果的相對標準偏差小于1%25;平均回收率為99.;59%25。
They are 4,8?dimethyl?l?nonanol, 5,9?dimethyl?1?decanol, 5,9?dimethyl?2?cyclopropyl?2?decanol, and 5,9?dimethyl?1,2?decanediol, and they were evaluated as penetration enhancer toward 5?Flourouracil. 增加5個碳原子的第三醇：5，9－二甲基－2－環(huán)丙基－2－癸醇； 增加2個碳原子同時引入一個羥基的5，9－二甲基－1，2－癸二醇。
Keywords R ） and （ S ） methyl nonanol;sex attractant;N acylbornane sultam;asymmetric alkylation; 和（S）-甲基-壬醇;性引誘信息素;莰烷磺內(nèi)酰胺;不對稱烷基化反應(yīng);