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 →
Using two HPLC columns together in a tandem separation for polar and non polar retention – Tips & Suggestions Read More →
What are some notable examples of journal articles that feature Aqueous Normal Phase ANP methods in metabolomics studies – FAQ 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 →
What is the purpose of using isopropanol IPA as part of the mobile phase solvent in ANP methods – FAQ Read More →
What pressure should I expect with a Diamond Hydride 2.o HPLC column at flow rates from 0.2 to 2.0mL / min – 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 →
Why am I observing broad split peaks in Aqueous Normal Phase ANP when using acetonitrile and methanol diluents – FAQ Read More →
Why do I have lower than normal back pressure with Cogent Diamond Hydride HPLC columns – FAQ Read More →
Working with ammonium acetate and LCMS requires attention to cleaning – Tips & Suggestions Read More →