Aqueous Normal Phase ANP ballistic gradients compared to same in HILIC – Tips & Suggestions Read More →
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 Read More →
Should I use methanol as the organic solvent in HPLC when using Aqueous Normal Phase ANP – FAQ Read More →
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 Read More →
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 Read More →
Suggestion for separation of phenylephrine HCl acetaminophen and dextromethorphan – Tips & Suggestions Read More →
Use a low concentration of salt in your mobile phase to avoid ion suppression and build up on your inlet source – Tips & Suggestions Read More →
What is the compatibility of Cogent TYPE-C Silica HPLC columns with UHPLC instruments – FAQ Read More →
What is the maximum salt concentration to use with Cogent TYPE-C HPLC columns with HPLC or LCMS – FAQ Read More →
Which Cogent TYPE-C column do you recommend for the separation of positional isomers with HPLC or LCMS – FAQ Read More →
Which column do you suggest for Cocaine & metabolite Ecognin separation – Tips & Suggestions Read More →
