Category: Phenyl Hydride FAQ
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Aqueous Normal Phase ANP ballistic gradients compared to same in HILIC - Tips & Suggestions
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Do Cogent TYPE-C Silica columns have a partial positive charge and if so is retention for basic compounds reduced because of this - Tech Information
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Should I use methanol as the organic solvent in HPLC when using Aqueous Normal Phase ANP - FAQ
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Since Cogent TYPE-C columns can be used in Reversed Phase or Normal Phase what do you suggest to switch these solvent systems which are not miscible - FAQ
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Since Cogent TYPE-C Silica columns use a transition metal catalyst in production what is the presence of any trace quantity on the surface of the stationary phase- FAQ
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Suggestion for separation of phenylephrine HCl acetaminophen and dextromethorphan - Tips & Suggestions
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Use a low concentration of salt in your mobile phase to avoid ion suppression and build up on your inlet source - Tips & Suggestions
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What is the compatibility of Cogent TYPE-C Silica HPLC columns with UHPLC instruments - FAQ
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What is the maximum salt concentration to use with Cogent TYPE-C HPLC columns with HPLC or LCMS - FAQ
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Which Cogent TYPE-C column do you recommend for the separation of positional isomers by HPLC or LCMS - FAQ
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