Abstract
The performance of support-bonded aminoalkylsilanes as stationary phases is described following reports that on-column chemical reaction occurs with carbonyl compounds and polyalkylimines and silanes containing both primary and secondary amino groups. To determine the relative reactivity of primary, secondary and tertiary amino groups a series of silanes of similar molecular weight has been considered containing individually each type of amino group. The phases have a particular polar character and the tendency to form hydrogen bonds is shown by the separation of isomeric alcohols.
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