Equisorb C1 is a reversed-phase HPLC column packed with fully porous, high-purity silica particles bonded with methyl groups. The short alkyl chain provides very weak hydrophobic retention, making it ideal for analytes that elute too slowly on C18 or C8 columns, or for high-throughput screening and early elution of highly non-polar compounds. Due to its low retention strength and rapid equilibration, Equisorb C1 is particularly useful in method development, routine QC, and isocratic separations, where speed and reproducibility are essential.
Equisorb C1 from offers reliable and rapid reversed-phase performance – a valuable tool for laboratories requiring minimal retention and fast separation in modern HPLC workflows.
Methyl (C1) bonded silica – USP L13
Very low hydrophobic retention for fast elution
Fully porous, high-purity silica with reproducible performance
Ideal for fast isocratic separations or method scouting
Available in 3 µm, 5 µm and 10 µm particle sizes
Fast screening of non-polar and weakly retained compounds
Early elution of hydrophobic analytes with minimal retention
Method development where retention needs to be minimized
High-throughput HPLC in pharmaceutical and chemical analysis
| Particle Sizes |
|
|---|---|
| Pore Size | 80 Å |
| Surface Area | 220 m²/g |
| Phase/Modification | C1 |
| Particle Type | |
| Separation Mode | |
| USP Code | |
| Endcapping | Yes |
| Carbonload | 3.5 % |
| Phase | Material Number |
|---|---|
| Equisorb C1, 3 µm | e03.10. |
| Equisorb C1, 5 µm | e05.10. |
| Equisorb C1, 10 µm | e00.10. |