Prep HPLC Column, Phenyl Hydride, 4um, 100A. 30mm ID x 250mm Length, Preparative. Cogent TYPE-C Brand. 1 EA.
Additional Info:
Maximum‑Resolution Preparative HILIC Purification with Aromatic Selectivity Using Phenyl Hydride™
The 69020‑P30‑250 Phenyl Hydride™ Preparative HPLC Column is designed for laboratories requiring the highest resolving power for preparative‑scale purification of aromatic and polar compounds that are difficult to retain or separate using conventional reversed‑phase chromatography. Manufactured using Cogent TYPE‑C™ silica hydride technology, this stationary phase delivers exceptional selectivity, stable retention, and robust column lifetime across extended preparative runs.
This column format is selected when maximum peak spacing, increased purification confidence, or separation of closely related compounds is required at preparative scale.
Why Choose Phenyl Hydride™ for High‑Resolution Preparative Separations
Phenyl Hydride™ stationary phases combine HILIC‑type retention with interaction mechanisms that strongly favor aromatic compounds, making them particularly effective for demanding preparative separations:
Strong retention of highly polar and moderately polar analytes under high‑organic mobile‑phase conditions
π–π and hydrophobic interactions that enhance aromatic selectivity
Superior separation of structurally similar or closely eluting compounds
Highly reproducible retention behavior across repeated high‑load injections
These characteristics make Phenyl Hydride™ well suited for preparative workflows where resolution is the primary requirement.
Cogent TYPE‑C™ Silica Hydride Advantage
Phenyl Hydride™ columns are based on silica hydride surfaces rather than traditional silanol‑rich bonded silica, providing key performance advantages for long, large‑diameter preparative columns:
Faster equilibration compared to conventional bonded‑silica HILIC phases
Stable retention at high organic solvent composition
Reduced risk of phase collapse or dewetting
Extended column lifetime under repetitive, high‑load purification conditions
These features support consistent, predictable performance for complex preparative applications and method scale‑up.
Ideal Applications
The 69020‑P30‑250 Phenyl Hydride™ preparative column is routinely used for purification of:
Aromatic amines
Small peptides containing aromatic residues
Azides and heteroaromatic compounds
Polar analytes requiring extended retention and maximum resolution
It is especially valuable for challenging separations where shorter preparative columns do not provide sufficient resolving power.
30 mm ID × 250 mm Length for Maximum Preparative Resolution
The 30 mm internal diameter × 250 mm length configuration provides:
Maximum plate count for preparative separation of closely related compounds
Increased retention for difficult‑to‑separate polar analytes
High sample‑loading capacity with enhanced peak spacing
This format is commonly chosen when preparative methods demand the highest achievable resolution before transitioning to purification‑scale columns.
System Compatibility and Operating Requirements
Due to its size and operating demands, this column requires a specialized preparative HPLC system capable of:
Delivering high, stable flow rates over extended run times
Supporting preparative‑scale injectors and detector flow cells
Operating within appropriate pressure and solvent limits
Typical flow‑rate range: Method‑dependent; governed by system capability and pressure constraints System compatibility: Preparative HPLC systems only Special requirements: Standard analytical HPLC systems are not suitable for this column size
Custom Order Manufacturing Notice
The 69020‑P30‑250 Phenyl Hydride™ Preparative Column is a Custom Order manufactured item:
Can be manufactured to order
Non‑returnable once an order is placed
Not stocked inventory
Customers should verify system capability and application suitability prior to ordering.