Equisorb ODS-1 is a reversed-phase HPLC column packed with fully porous, high-purity silica particles bonded with octadecyl groups. This standard USP L1 phase provides strong hydrophobic retention and broad applicability for non-polar to moderately polar compounds in routine analysis. With reliable peak symmetry and stable retention behavior, Equisorb ODS-1 is ideal for method development, quality control, and general-purpose reversed-phase HPLC in pharmaceutical, chemical, and academic laboratories.
Equisorb ODS-1 provides dependable C18 performance for reversed-phase workflows – an excellent choice for laboratories seeking robust and versatile HPLC columns.
Octadecyl (C18) bonded silica – USP L1
Strong hydrophobic retention for a wide range of analytes
Fully porous, high-purity silica for reproducible performance
Suitable for isocratic and gradient elution
Compatible with aqueous-organic mobile phases
Available in 3 µm, 5 µm and 10 µm particle sizes
Routine HPLC of APIs, excipients, and formulation components
Method development and validation in reversed-phase mode
Quality control in pharmaceutical and industrial settings
General-purpose separations of non-polar and mid-polar compounds
| Particle Sizes |
|
|---|---|
| Pore Size | 80 Å |
| Surface Area | 220 m²/g |
| Phase/Modification | C18 |
| Particle Type | |
| Separation Mode | |
| USP Code | |
| Endcapping | Yes |
| Carbonload | 10.5 % |
| Phase | Material Number |
|---|---|
| Equisorb ODS-1, 3 µm | e03.91. |
| Equisorb ODS-1, 5 µm | e05.91. |
| Equisorb ODS-1, 10 µm | e00.91. |