Ultrasep ES SAX-W is a silica-based HPLC column with strong anion exchange (SAX) functionality, optimized for the separation of a broad range of negatively charged analytes. The quaternary ammonium groups provide powerful ionic interactions, ensuring high retention and reproducibility for inorganic and organic anions.
Available in multiple particle sizes, SAX-W offers flexibility for routine analysis, regulatory testing, and advanced method development. Its robust bonding chemistry ensures sharp peak shapes, reproducibility, and long operational lifetime even under demanding conditions.
Ultrasep ES SAX-W provides robust and reproducible anion exchange performance – the reliable choice for laboratories requiring high selectivity in wide-range anionic separations.
Silica-based stationary phase with strong anion exchange (SAX) chemistry
Quaternary ammonium groups for strong ionic retention
Flexible particle size options for different analytical requirements
Robust bonding ensures reproducibility and long lifetime
Available particle sizes: 5 µm, 7 µm
Environmental monitoring of inorganic and organic anions
Pharmaceutical analysis of acidic drugs and metabolites
Biochemical separations of charged biomolecules
Method development requiring strong anion exchange selectivity
| Particle Sizes |
|
|---|---|
| Pore Size | 100 Å |
| Particle Type | |
| Separation Mode | |
| USP Code | |
| pH Range | 2 - 8 |
| Phase | Material Number |
|---|---|
| Ultrasep ES SAX-W, 5 µm | u15.saxw. |
| Ultrasep ES SAX-W, 7 µm | u17.saxw. |