Separation and Determination of Chosen lambda(5)-Silanates by an Isotachophoresis Technique

[摘要]：

This work is a continuation of an investigation concerning separation and determination of a mixture of newly obtained pentacoordinated silanates: 1-(N-perhydro-azepiniomethyl)[spirobi(1-sila-2,5-dioxacyclopentane-3-on)]ate, 1-(N-perhydroazepinio-methyl)[spirobi(1-sila-2,5-dioxa-4-methylcyclopentane-3-on)] ate, 1-(N-perhydro-azepinio-methyl)[spirobi(1-sila-2,5-dioxa-4,4-dimethylcyclopentane-3-on)] ate. Because of low mobility of analyzed ions elaboration of a new termination electrolyte was necessary. As a main component of this electrolyte, a newly synthesized compound -4,4'-bis{1-(N-perhydro-azepiniomethyl) [ spirobi(1-sila-2,5-dioxacyclopentane-3-on)] ate} was used. Separation of the analyzed mixture can be carried out in a time under 12 minutes.

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