Purospher® STAR HPLC columns based on highest purity silica are also available for normal phase separations.

Purospher® STAR Si (silica) offers the highest separation efficiency for normal phase chromatography of low molecular weight compounds soluble in organic solvents.

Purospher® STAR NH₂ (amino phase) is primarily designed for carbohydrate analysis with a typical mobile phase consisting of acetonitrile and water. Additionally, Purospher® STAR NH₂ can also be used in the normal phase retention mode.

These LiChroCART® cartridges require manu-CART® cartridge column holder part number 1.51486.000, which can be used to hold one cartridge column with or without a 4×4 mm guard column.