Equisil APS-2 is a second-generation aminopropyl-modified HPLC column based on fully porous, high-purity silica, offering improved performance for HILIC, normal-phase, and weak anion-exchange chromatography. With optimized bonding and surface treatment, Equisil APS-2 provides stronger polar retention, better reproducibility, and enhanced stability, especially for the separation of sugars, sugar alcohols, and polar drug compounds.
Equisil APS-2 offers enhanced retention and robustness for polar analyte separations – a reliable choice for advanced HILIC and normal-phase chromatography.
Second-generation aminopropyl (NH₂) bonded phase – USP L8
Improved HILIC and normal-phase performance
Supports weak anion-exchange interactions for acidic analytes
Fully porous silica with optimized bonding for enhanced reproducibility
Available in 5 µm
Separation of carbohydrates, polyols, and polar excipients
HILIC analysis of hydrophilic drug molecules
Normal-phase workflows for polar and neutral compounds
Organic acid profiling in food and pharmaceutical samples
| Particle Size |
|
|---|---|
| Pore Size | 120 Å |
| Surface Area | 180 m²/g |
| Phase/Modification | NH2 |
| Particle Type | |
| Separation Modes | |
| USP Code | |
| Endcapping | No |
| Carbonload | 4 % |
| pH Range | 2 to 8 |
| Phase | Material Number |
|---|---|
| Equisil APS-2, 5 µm | e25.a02. |