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面议Alltech® Alltima™ HP Phase Specifications | ||||||||||
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| Pore | Surface | Carbon |
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Phase | Description | Base | Particle | Particle Size | Size | Area | Load | Phase | capped? | USP |
C18 | For classic reversed-phase applications | Silica | Spherical | 3, 5μm | 190Å | 200 m2/g | 12% | Monomeric | Yes | L1 |
C18 EPS | Reversed-phase C18 with extended polar selectivity | Silica | Spherical | 3, 5μm | 190Å | 200 m2/g | 4% | Monomeric | Yes | L1 |
C18 HiLoad | Higher carbon load for stronger retention | Silica | Spherical | 3, 5μm | 100Å | 450 m2/g | 24% | Monomeric | Yes | L1 |
C18 AQ | 100% water wettable | Silica | Spherical | 3, 5μm | 100Å | 450 m2/g | 20% | Monomeric | Yes | L1 |
C18 Amide | Low bleed polar-embedded phase compatible | Silica | Spherical | 3, 5μm | 190Å | 200 m2/g | 12% | Monomeric | Yes | L1 |
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C8 | For reversed-phase applications where C18 is | Silica | Spherical | 3, 5μm | 190Å | 200 m2/g | 8% | Monomeric | Yes | L7 |
| too retentive |
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Cyano | Stable, long-life cyano phase | Silica | Spherical | 3, 5μm | 190Å | 200 m2/g | 4% | Monomeric | Yes | L10 |
Silica | For general purpose normal-phase applications | Silica | Spherical | 3, 5μm | 100Å | 450 m2/g | — | — | No | L3 |
HILIC | Hydrophillic Interaction Chromatography for highly | Silica | Spherical | 1.5, 3, 5μm | 120Å | 230 m2/g | — | — | — | L3 |
| polar analytes |
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The Alltima™ HP Family Demonstrates Low Bleed
Alltima™ HP columns are among the lowest-bleed columns available, making them ideal for microbore applications. Our C18
Amide polar-embedded phase has significantly lower column bleed than competitive amide columns.
