三烷基氧化膦中脂肪酸的气相色谱测定  

Determination of Trace Fatty Acids in Trialkyphosphine Oxide by Pyrolysis Methylation Gas Chromatography

作　　者：辛仁轩[1] 吴伟[1] 焦洁心[1] 张平[1] 梁俊福[1] 宋崇立[1] 

机构地区：[1]清华大学核能技术设计研究院,北京100084

出　　处：《分析试验室》2001年第1期8-11,共4页Chinese Journal of Analysis Laboratory

基　　金："九五"国家重点科技攻关项目!( 96-A1 8-0 2 )

摘　　要：报道了用气相色谱测定萃取剂三烷基氧化膦中的微量脂肪酸。用碳酸钠溶液萃洗分离三烷基氧化膦 ,在甲醇溶液中用四甲基氢氧化铵作为甲基化试剂 ,反应在裂解进样器中进行。回收率为 90 %～ 1 0 5% ,误差在 1 0 %以内。A useful and simple proceduce was described for determination of trace fatty acids of C 6 C 8 in trialkyphosphine oxide by simultaneous pyrolysis and methylation gas chromatography. Tetramethylammonium hydroxide was used as methylation reagent. The FFAP capillary column was used. The recovery of the method is 90%～110%. This analytical method was applied to determination of fatty acids in trialkyphosphine oxide with satisfactory results.

关 键 词：气相色谱 脂肪酸三烷基氧化膦 裂解进样 杂质测定 

分 类 号：O627.51[理学—有机化学] O657.71[理学—化学]