SUMIPAX ODS C series
SUMIPAX ODS C is a high‑density ODS (C18) column where the octadecylsilane groups are packed tightly on the silica surface. It is often selected when a clear separation cannot be achieved with other ODS columns, and it is also suitable for metal‑chelate compounds.
Product specification
| Series | C series |
|---|---|
| Particle size | 5 µm |
| Pore size | 110 Å |
| Specific surface area | 400 m²/g |
| Pore volume | 1.2 mL/g |
| Carbon content | 22% |
| Useful pH range | 2.0 – 9.0 |
| Metal impurities | Each of Al, Fe, Ti, Zr, Ca: < 10 ppm |
Typical use cases
- Challenging separations where conventional ODS phases do not give sufficient resolution
- Metal‑chelate compounds
- General reversed‑phase HPLC workflows requiring strong hydrophobic retention
Example application categories (manufacturer examples)
- Anthraquinone‑type compounds
- Benzodiazepines
Product list
Available configurations and ordering codes (rephrased from manufacturer listing).
| Product name | Particle size (µm) | Internal diameter (mm) | Length (mm) | Product code |
|---|---|---|---|---|
| SUMIPAX ODS C-217 | 5 | 4.6 | 150 | AC217-4615W |
| SUMIPAX ODS C-211 | 5 | 4.6 | 250 | AC211-4625W |
| SUMIPAX ODS C-215 | 5 | 6.0 | 100 | AC215-6010W |
| SUMIPAX ODS C-212 | 5 | 6.0 | 150 | AC212-6015W |
| SUMIPAX ODS C-214 | 5 | 6.0 | 300 | AC214-6030W |
| SUMIPAX ODS C-210MS (LC‑MS size) | 5 | 2.0 | 150 | AC210M2015W |
| SUMIPAX ODS C-210EC (Solvent‑saving size) | 5 | 3.0 | 150 | AC210E3015W |
Note: For guard/filters, use the compatible SUMIPAX filter/guard options.