Equisil Gold C18 is a reversed-phase HPLC column based on ultra-high purity, fully porous silica, bonded with octadecyl groups and optimized for high-efficiency separations. With advanced surface treatment and full endcapping, this column delivers excellent peak shape, low silanol activity, and strong hydrophobic retention, making it ideal for demanding applications in pharmaceutical, chemical, and bioanalytical workflows. Equisil Gold C18 ensures high reproducibility, even with challenging basic or polar analytes, and is well suited for use in validated and regulated environments.
Equisil Gold C18 combines premium silica quality with high-performance bonding – the ideal column for precise, reproducible reversed-phase HPLC separations.
Octadecyl (C18) bonded phase – USP L1 classification
Ultra-high purity silica with advanced bonding chemistry
Full endcapping for reduced silanol interaction and improved peak symmetry
Strong hydrophobic retention with excellent lot-to-lot reproducibility
Available in 3 µm, 5 µm, and 10 µm particle sizes
Pharmaceutical impurity profiling and method validation
Separation of basic and polar compounds
Complex formulation analysis and bioanalytical methods
Robust reversed-phase separations in regulated environments
| Particle Sizes |
|
|---|---|
| Pore Size | 175 Å |
| Surface Area | 220 m²/g |
| Phase/Modification | C18 |
| Particle Type | |
| Separation Mode | |
| USP Code | |
| Endcapping | Yes |
| Carbonload | 14 % |
| pH Range | 2 to 8 |
| Phase | Material Number |
|---|---|
| Equisil Gold C18, 3 µm | e23.9g. |
| Equisil Gold C18, 5 µm | e25.9g. |
| Equisil Gold C18, 10 µm | e20.9g. |