How to change ferrules on Di-Ad HPLC column connectors – Tips & Suggestions

Ferrule replacement instructions for the Direct Adaptive Di-Ad™ HPLC column connectors Change ferrule after approximately every 50 insertions or when excessive ferrule wear is detected. To change ferrule, grasp it in the area of the groove with a pair of wire cutters using minimal pressure and gently pull the ferrule from the threaded stem, wiggling […]

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Reason for using Direct Adaptive HPLC column connectors – Tips & Suggestions

How to reduce peak broadening due to poor column connections The spring-loaded “Direct Adaptive (Di-Ad™) HPLC column connectors” were designed for speed and convenience when changing between different column brands on your instrument.  In the example below, we demonstrate how this error-free process using DiAd fittings can also reduce peak broadening from common poor connections. […]

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