合成了 1-乙基苯并咪唑(eBim)、1-乙基-3-丁基苯并咪唑溴(C4eBimBr)中间体和1-乙基-3-丁基苯并咪唑六氟化磷(C4eBimPF6)离子液体.通过红外光谱和核磁共振波谱表征了各步反应产物的结构.基于离子液体分散液相微萃取-高效液相色谱法分析了水中邻苯二甲酸辛酯(DOP)和邻苯二甲酸壬酯(DNP).考察了萃取温度、萃取时间和离子液体用量对DOP和DNP萃取效果的影响.在1.0～10 μg/L范围内,DOP和DNP的色谱峰高与质量浓度分别呈线性关系,相关系数(r2)分别为0.984 7和0.987 2.DOP和DNP的最低检出限分别为0.018和0.052 μg/L,加标回收率分别为94.3％ ～ 102％和93.5％～103％.
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