Shim-pack Scepter LC Columns - Features
HPLC Column
Shim-pack Scepter Chemistries
Utilize excellent stability & performance under a wide range of LC conditions
With excellent stability under a wide range of LC conditions, Shim-pack Scepter LC columns are effective for method scouting combining mobile phase pH and organic modifier.
【 Comparison of Chromatograms using Gradient condition with Acetonitrile 】
| C18 | HD-C18 | C8 | Phenyl | PFPP | |
|---|---|---|---|---|---|
|
pH
2.9
|
 |
 |
 |
 |
 |
|
pH
6.1
|
 |
 |
 |
 |
 |
|
pH
9.9
|
 |
 |
 |
 |
Outside of
recommended pH |
Analytes
1. Saccharin (pKa = 2.2)
2. Dextromethorphan (pKa = 8.3)
3. Amitriptyline (pKa = 9.4)
4. N-Butyl paraben (pKa = 8.3)
5. Ibupurofen (pKa = 4.4)