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Cogent UDC-Cholesterol

1 Cholesterol is a large molecule, is the Cogent UDC-Cholesterol HPLC column stable as a stationary phase?

The UDC Cholesterol phase has proven to be stable in 0.1% v/v TFA and 0.1% v/v H3PO4 at acid pH’s and up through pH 8.00 with 20mM NH4COOH buffer with NH4OH. A pH in excess of pH 8.00 should be avoided…

2 How do I condition new Cogent TYPE-C™ Columns for use?

For all new Cogent TYPE-C™ HPLC columns with the exception of new Diamond Hydride™ columns, all one needs to do is run 7-10 column bed volumes of your mobile phase through the column at your normal…

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