%0 Journal Article
%T Separation of derivatized aliphatic aldehydes in beverage by nonaqueous capillary electrophoresis<br>柱前衍生化-非水毛细管电泳法高效分离饮料中的脂肪醛
%A BAI Xinwei
%A WANG Yanbao
%A ZHAO Huaixin
%A SUN Zhiwei
%A XIA Lian
%A FU Yanyan
%A SUO Yourui
%A LI Yulin
%A YOU Jinmao
%A <br>白新伟
%A 王延宝
%A 赵怀鑫
%A 孙志伟
%A 夏莲
%A 付艳艳
%A 索有瑞
%A 李玉林
%A 尤进茂
%J 色谱
%D 2010
%I 
%X A simple and mild method for the separation of aliphatic aldehydes based on a condensation reaction with 9,10-phenanthrenequinone as labeling reagent with nonaqueous capillary electrophoresis has been developed. The detection was performed with a diode array detector (DAD). A 58.5 cm (50 cm effective length)×50 μm i. d. untreated fused-silica capillary was used. To optimize the conditions, the background electrolyte concentration, column temperature, voltage and other factors were evaluated. The results indicated that the buffer concentration had a great impact on the separation, but the influences of temperature and added additives on the resolution were not obvious. The optimized conditions were as follows: 80 mmol/L ammonium acetate, 1.4 mol/L acetic acid, voltage of 28 kV, column temperature of 20 ℃ and DAD detection at 254 nm. The samples were introduced atmospherically with the injection at 5 kPa (50 mbar) for 8 s. The results indicate that seven aliphatic aldehyde derivatives and actual samples can be achieved baseline resolution under the proposed conditions.
%K nonaqueous capillary electrophoresis
%K pre-column derivatization
%K 9
%K 10-phenanthrenequinone
%K aliphatic aldehydes
%K beverage<br>非水毛细管电泳
%K 柱前衍生化
%K 9
%K 10-菲醌
%K 脂肪醛
%K 饮料
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=6579068328FE643F&jid=4D81E042D77AFEC6881D14759692069C&aid=D2495E1E8CF93498C7261A851CBB4E9A&yid=140ECF96957D60B2&vid=D3E34374A0D77D7F&iid=CA4FD0336C81A37A&sid=46CB27789995047D&eid=06EA2770E96C5402&journal_id=1000-8713&journal_name=色谱&referenced_num=0&reference_num=12