采用高效毛细管电泳-紫外吸收法(HPCE-UV),以对氨基苄腈为衍生试剂,通过改进缓冲溶液添加剂,对烟草中5种糖的衍生物进行了分离.该法使用pH 10.5,50 mmol/L硼砂缓冲液,其中添加剂含量为甲醇5%(体积分数,下同)、乙腈5%、乙二醇2.5%、异丙醇2.5%和十二烷基硫酸钠(SDS)1 mmol/L.测定波长为285 nm.
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