金属有机化合物的分析(Ⅷ)——氢硼酸金属有机络合物的反相色谱机理  

Analysis of Organometallic Compounds (Ⅷ)——Mechanism in Reverse Phase Liquid Chromatography of Hydroborate Organometallic Complexes

作　　者：杨学谨[1] 厉洁[1] 孙月稳[1] 张伦[2] 陈新兰[2] 

机构地区：[1]南开大学化学系 [2]武汉大学化学系

出　　处：《高等学校化学学报》1989年第3期244-248,共5页Chemical Journal of Chinese Universities

基　　金：中国科学院科学基金

摘　　要：本文研究了具有特殊结构的氢硼酸金属有机络合物的反相色谱及机理。在MicropakC_(18)柱上,加入含离子试剂的甲醇-水作为流动相,通过用电导法测定流动相电性能,Break-through法测定离子试剂在固定相上的吸附量及制备色谱法研究各流分组成,认为此类化合物的保留机理为动态离子交换过程。Retention mechanism of reverse phase liquid chromatography of hydroborate organometallic complexes with novel structures was investigated. Separation was achieved on a Micropak C18 reversephase column with a mobile phase of methanol-water system in which optimized ionic alkyl compounds were added as an ion reagent. The electric properties of the mobile phase, the role of absorption of the ion regents on the stationary phase, and the eluted constituents have been determined by conductance, Break-Through method and prepar ation chromatography, respectively. The influence of the concentration and type of the added ion reagents, and the composition of varying mobile phase on k' values were also discussed. It is concluded that the dynamic ion-exchange process is considered as the controlled mechanism.

关 键 词：氢硼酸 金属 有机络合物 反相色谱 

分 类 号：O613.81[理学—无机化学]