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Ultisil
Ultisilâ„¢ HPLC columns are manufactured by Welch Materials Inc., located in Shanghai, China.
The phases are based on high-purity spherical silica gel, which is available in many different modifications for a wide selectivity range. Ultisilâ„¢ columns show high reproducibility, long lifetime and excellent peak shape for many compounds.
Ultisil AAA and PAH are application specific HPLC columns for the separation of amino acids and polyaromatic hydrocarbons, respectively.
Ultisilâ„¢ODS-3 HPLC Columns are a water-resistant C-18 phase with broad applicability. The stationary phase is strictly endcapped with hydrophilic groups and shows low adsorption for both basic and acidic compounds.
Technical Data
| Phase-Name | Modification | Particle Size | Pore Size | End-capping | C-Content | USP | Surface | pH-Range | Tmax |
| Ultisil™ XB-C30 | C30 | 5 µm | 120 Å | + | 17% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ XB-C18 | C18 | 1.8, 3, 5, 10 µm | 120 Å | + | 17% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ LP-C18 | C18 | 5 µm | 130 Å | - | 10% | N/A | 160 m2/g | 0.5‒8.0 | N/A |
| Ultisil™ Plus C18 | C18 | 3.5, 5 µm | 130 Å | + | 10% | N/A | 160 m2/g | 2.0‒8.0 | N/A |
| Ultisil™ AQ-C18 | C18 | 3, 5, 10 µm | 120 Å | + | 12% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ ODS-3 | C18 | 3, 5 µm | 100 Å | + | 15% | L1 | 380 m²/g | 2.0-8.0 | N/A |
| Ultisil™ XB-C8 | C8 | 1.8, 3, 5, 10 µm | 120 Å | + | 12% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ LP-C8 | C8 | 5 µm | 120 Å | - | 5.5% | N/A | 320 m2/g | 1.0‒8.0 | N/A |
| Ultisil™ XB-C4 | C4 | 3, 5 µm | 120 Å | + | 8% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ XB-C1 | C1 | 5 µm | 120 Å | + | 4% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ XB-Phenyl | Phenyl | 3, 5, 10 µm | 120 Å | + | 12% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ Phenyl-Etder | Phenyl | 5 µm | 120 Å | + | 12% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ XB-CN | Cyano | 5 µm | 120 Å | - | 6% | N/A | 320 m2/g | 1.5‒9.0 | N/A |
| Ultisil™ XB-NH2 | Aminopropyl | 5 µm | 120 Å | - | N/A | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ Diol | Diol | 5 µm | 120 Å | - | 2.5% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ PFP | Pentafluorophenyl | 5 µm | 120 Å | + | 13% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ F-C8 | Perfluorooctyl | 5 µm | 120 Å | + | 12% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ ALK C18 | Polar embedded C18 | 3, 5, 10 µm | 120 Å | - | 17% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ Polar RP | Amide embedded Alkyl | 1.8, 3, 5, 10 µm | 120 Å | + | 18% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ HILIC Amide | Amide | 5 µm | 120 Å | - | 7% | N/A | 320 m2/g | 2.0‒8.0 | N/A |
| Ultisil™ HILIC Amphion II | N/A | 5 µm | 120 Å | - | 4% | N/A | 320 m2/g | 2.0‒8.0 | N/A |
| Ultisil™ XB-SAX | Quaternary Ammonium | 5 µm | 120 Å | - | 7.5% | N/A | 320 m2/g | 2.0‒7.0 | N/A |
| Ultisil™ XB-SCX | Sulfonic acid | 5 µm | 120 Å | - | N/A | N/A | 320 m2/g | 2.0‒7.0 | N/A |
| Ultisil™ AAA | N/A | 5 µm | 120 Å | + | 17% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ PAH | N/A | 5 µm | 120 Å | + | 22% | N/A | 320 m2/g | 1.5‒10.0 | N/A |
| Ultisil™ SiO2 | - | 5 µm | 120 Å | - | - | N/A | 320 m2/g | N/A | N/A |
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