Adsorbosphere Si is a bare, unbonded silica phase designed for traditional normal-phase chromatography and adsorption-based separations. Based on high-purity, fully porous silica with a controlled surface area and particle morphology, this column enables strong polar interactions through accessible silanol groups.
With excellent mechanical stability and consistent performance, Adsorbosphere Si is an ideal choice for laboratories performing classical normal-phase HPLC, dry-loading techniques, or preparative separations relying on silanol activity.
Adsorbosphere Si is a go-to column for classical silica chromatography — offering reliable, high-performance separations based on strong polar interactions.
Unmodified silica (USP L3) with high surface polarity
Strong hydrogen bonding and dipole interactions
Ideal for normal-phase separations in non-polar eluents
High surface area and well-controlled pore structure
Available in 3 µm, 5 µm and 10 µm particle sizes
Excellent lot-to-lot reproducibility and stability
Normal-phase separation of polar organics and isomers
Adsorption chromatography and dry-loading applications
Separation of lipids, neutral compounds, and plant extracts
Method development for polar compound retention
Retention profiling based on silanol interaction
| Particle Sizes |
|
|---|---|
| Pore Size | 100 Å |
| Surface Area | 200 m²/g |
| Phase/Modification | Si |
| Particle Type | |
| Separation Modes | |
| USP Code | |
| Endcapping | No |
| Carbonload | 0 % |
| Phase | Material Number |
|---|---|
| Adsorbosphere Si, 3 µm | 5200042 |
| Adsorbosphere Si, 5 µm | 5200043 |
| Adsorbosphere Si, 10 µm | 5200044 |