• VertiPak™ CBA SPE is medium polar weak cation-exchanger
that can exhibits weak cation-exchange primary interaction
and polar or non-polar secondary interaction.
• Exhibits as the mixed-mode sorbent for basic polar
compounds from aqueous matrix without base modifiers.
• Typical applications include positively charged basic
compounds e.g. amino acids in urine, angiotensins in
plasma, Vasopressin in urine.
• Tube format is available in 7 tube sizes.
• Cartridge format is available in 300mg and 600mg size.
• Tubes or cartridges are packaged in zip sealing bag
protective from moisture and light.
• Includes a Performance report including the QC results,
lot chromatogram and lot recovery test.
| Chemical structure |

Chemical structure of CBA (Carboxylic acid) silane, covalently
bonded to the surface of a silica particle. |
| Specifications |
| Phase |
CBA (Carboxylic acid) |
|
Irregular-shaped Silica
|
Particle Size (µm) |
45-65
|
Pore Size (Å)
|
60-80
|
Surface Area (m2/g) |
450-550 |
Carbon Load (%)
|
7 |
| Capacity (meq/g) |
0.3 |
Endcap
|
No |
pH Stability
|
2-9 |
|