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

Abstract

Abstract: Retention mechanism of reverse phase liquid chromatography of hydroborate organometallic complexes with novel structures was investigated. Separation was achieved on a Micropak C₁₈reversephase 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.

Key words: Hydroborates organometallic complexes, Reversed chromatography, Ion reagent, Mechanism

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Yang Xuejin, Li Jie, Sun Yuewen, Zhang Lun, Chen Xialan. Analysis of Organometallic Compounds (Ⅷ)--Mechanism in Reverse Phase Liquid Chromatography of Hydroborate Organometallic Complexes[J]. Chem. J. Chinese Universities, 1989, 10(3): 244.

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

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