| Column performances are characterized as stationary phase, column selectivity and retention time.
AB GC columns are reengineered and made by the same stationary phases as most column makers with stringent process control to replicate column selectivity and retention time in order to ensure seamless column switching. Table I to III illustrate the performance comparisons of the most popular stationary phases: AB-5MS and AB-Inowax vs the brand name columns.
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