SIELC HPLC Guard Column Promix AP, 300 Å, 5 μm, 2.1 x 10 mm

Promix AP is a stationary phase for small and medium size peptides under 3 kDa with PI value below 7.0. Reverse phase and ion-exchange mechanism of interaction. Use acidic mobile phase pH from 2 to 5.5. Use ion strength at least 20 mM. 100Å and 300Å pore sizes are available.