| Form | Column |
|---|---|
| Column format | Analytical |
| Phase | InertSustain C8 |
| Base Material | High Purity ES Silica Gel |
| Functional group | Octyl |
| Particle size | 3 µm |
| Length | 150 mm |
| Inner diameter | 4.6 mm |
| Mode | Reversed phase |
| Surface area | 350 m2/g |
| Pore size | 100 Å (10 nm) |
| Pore volume | 0.85 mL/g |
| End capping | Yes |
| Carbon loading | 8.0% |
| pH Range | 1-10 |
| Unit size | 1 pc. |
| Max Operating Pressure | 20 MPa(200 bar) |
| USP Code | L7 |
Answer:It is 150 × 4.6 mm with 3 µm particles and 100 Å pores.
Answer:It is an octyl-bonded C8 reversed-phase stationary phase.
Answer:The shorter format generally reduces separation length, solvent use and operating pressure, with resolution depending on the method.
InertSustain C8 is an octyl-bonded reversed-phase analytical column designed to balance hydrophobic retention with relatively efficient elution of nonpolar compounds. This version has 3 µm particles, a 100 Å pore structure and a 150 × 4.6 mm format, providing a useful choice for routine HPLC separations where both resolution and throughput matter. Its end-capped high-purity silica surface helps limit unwanted secondary interactions that can broaden peaks. Compared with a 250 mm column packed with the same phase, the shorter bed can reduce analysis time and pressure while offering less total separation length. Adjust mobile-phase strength and gradients to maintain adequate retention of early-eluting analytes. Avoid assuming direct equivalence with legacy Inertsil C8, which uses a different silica surface and operating range. Use clean mobile phases, dissolve samples fully and install an appropriate guard where complex sample matrices threaten the column inlet. Track retention, peak symmetry and pressure during equilibration and routine operation.
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