Heritage columns from Helix are designed for USP applications. All phases based on ultra-pure spherical silica gel with a narrow particle size distribution.
| Phase | Modification | Particle size / μm | Pore size / Å | USP |
| Heritage C18 | C18 | 3, 5, 10 | 100 | L1 |
| Heritage N | Si | 3, 5, 10 | 100 | L3 |
| Heritage C8 | C8 | 3, 5, 10 | 100 | L7 |
| Heritage AP | NH2 | 3, 5, 10 | 100 | L8 |
| Heritage CN | CN | 3, 5, 10 | 100 | L10 |
| Heritage Phenyl | Ph | 3, 5, 10 | 100 | L11 |
| Heritage C4 | C4 | 3, 5, 10 | 100 | L26 |
| Heritage MA | alkyl chain, anion-exchange | 3, 5, 10 | 100 | L78 |
| Heritage MC | alkyl chain, carboxyl | 3, 5 | 100 | L85 |