Bulk Silica

APS Phases

Locate the ideal DAISOGEL bulk silica product for your application by searching by series or pore size. Pre-packed columns are also available.

The amino-propyl silane (APS) bonded phase, sometimes referred as NH2 phase, separates based on hydrophilic and ionic interactions.


Exceptional Stability and Reproducibility This phase is also recommended for the separation of basic compounds under normal phase conditions which cannot be separated using unmodified silica gel. Simple eluents such as hexane / ethyl acetate or chloroform / methanol are used for the separation without any polar solvent additives.

Learn More

“A big thanks to DAISO Fine Chem on all of the support from beginning to end. All of the technical support provided from your R&D team was a big benefactor to our success!”

Senior Director MSAT, Insulin Business Unit