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ReproSil XR
The ReproSil XR columns from Dr. Maisch possess a metal content of less than 100 ppb. As a result, they show a high ph stability. The narrow pore size distribution and uniform coverage with the bonded phase lead to symmetrical peaks for acidic and basic compounds.
Technical Data
ReproSil XR 120 (120 Å, 250 m²/g)
| Phase | Modification | Particle size / μm | Carbon content / %C | Endcapped | pH range | USP Code |
| C18 | C18 | 3, 3.5, 4, 5, 7, 10 | 10 | + | 2.0-9.0 | L1 |
| C18-MS | C18 | 3, 5 | N/A | N/A | 2.0-9.0 | L1 |
| C8 | C8 | 3, 3.5, 5, 10 | 5 | + | 2.0-8.0 | L7 |
| C4 | C4 | 5 | N/A | + | 2.0-8.0 | L26 |
| C2 | C2, Dimetdyl | 5 | N/A | + | 2.0-8.0 | L16 |
| Phenyl | Ph | 3, 3.5, 5, 10 | 6 | + | 2.0-8.0 | L11 |
| NH2 | NH2 | 3, 3.5, 5, 10 | N/A | - | 2.0-8.0 | L8 |
| NH2-e | NH2 | 5 | N/A | + | 2.0-8.0 | L8 |
| CN | CN | 3, 5 | N/A | N/A | 2.0-8.0 | N/A |
| SCX | Sulfopropyl | 3, 5 | N/A | N/A | 2.0-8.0 | L9 |
| SAX | Propyl-SAX | 3, 5 | N/A | N/A | 2.0-8.0 | L14 |
| Si | Si | 3, 5, 7, 10 | - | - | 2.0-8.0 | L3 |
ReproSil XR 300 (300 Å, 100 m²/g)
| Phase | Modification | Particle size / μm | Endcapped | pH range | USP Code |
| C4 | C4 | 3, 5, 10 | + | 2.0-8.0 | L26 |
| C8 | C8 | 3, 5, 10 | + | 2.0-8.0 | L7 |
| C18 | C18 | 3, 5, 10 | + | 2.0-9.0 | L1 |
| SCX | Sulfopropyl | 3, 5 | N/A | 2.0-8.0 | L9 |
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