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FUSED SILICA CAPILLARY COLUMNS

Available from Quadrex Corporation

Quadrex fused silica columns are produced with the industry standard polyimide outer coating (390°C maximum temperature) for most general GC applications. Columns with high temperature polyimide coatings, for applications >400°C, are available upon request.

Each stationary phase used in our coating processes is synthesized and cleaned in-house to insure column to column reproducibility. All Quadrex phases are bonded to the silica substrate and cross-linked. Our stringent QA / QC program governs the production of all in-house phases which results in accurate selectivity, reproducibility, and outstanding thermal stability.

Every Quadrex fused silica capillary column is pre-conditioned, QC tested, and shipped with a clear and easy to read Capillary Column Test Data Sheet. This gives you all of the pertinent information regarding the columns' configuration, test operating conditions, and maximum programmed and isothermal operating temperature limits. Column efficiency, activity and film thickness are easily evaluated using an appropriately designed test mixture. We maintain a computer data base of all column data in order to assure you of column-to-column reproducibility.

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