Figure 1: Schematic representation of the continuous FFE apparatus coupled off-line to RP-HPLC. Hydroxypropyl methyl cellulose (HPMC) stock solution, 2% (wt/vol; ∼86 K nominal molecular weight; ...

The new columns deliver the speed and resolving power of conventional 3 micron particle columns, as well as provide greater ruggedness and a longer life cycle than columns using sub 2 micron particles ...