摘要研究用硫酸萃取、紫外分光光度计检测电子烟油中的烟碱含量的方法。探讨用硫酸萃取电子烟油中烟碱的体积、萃取方式和萃取时间等萃取条件的选择和优化。结果表明,20 m L 0.025 mol/L硫酸振荡萃取10 min,可将0.2m L电子烟油中的烟碱萃取完全。本方法测定电子烟油中烟碱的回收率达到98.6%以上,重复性良好,具有操作简单,快速准确的特点。
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