Abstract
In this paper are reported the results of the continuation of investigations concerning optimization of the chromatographic process of benzylgermanium derivatives. Optimal conditions of separation and determination have been elaborated for di‐, tri‐, and tetra‐benzylhalogeno germanium derivatives using aryl stationary phases. Interaction of a π-π type between a stationary phase and a chromatographed compound exhibited predominance in this process. During determination numerous difficulties were observed. These difficulties were caused, as had been shown in earlier experiments, by column surface modification. Three stationary phases and two mobile phases were taken under consideration. The best selectivity and separation factors α1=3.50 and α2=1.46 were obtained using the RP Si‐PGC column and pure dichloromethane. Slightly worse results were yielded with the naphthyl stationary phase.
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