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Agilent J&W DB-5ht nonpolar columns are manufactured from (5%-phenyl)-methylpolysiloxane. They deliver high levels of performance in a variety of analytical processes. High temperature limits of -60 to 400 °C result from precision-engineered polyimide-coated fused silica tubing. DB-5ht columns are also bonded, cross-linked, and solvent rinsable, and feature faster elution times for high boilers.

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