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Alfa Chemistry, a global supplier of chemical products and services, has recently expanded its lineup of derivatization reagents for High-Performance Liquid Chromatography (HPLC). Derivatization is a ...

This paper describes a unique Prep-rP-HPLC technique that uses a C-18/C-8 derivatized silica coated with a hydrophobic quaternary ammonium salt or quaternary phosphonium salt that acts as an ...