PRODUCT INFORMATION
Details
Topsil is Welch’s Next Generation Silica, with larger pore size and greater surface area, distinguishing Topsil stationary phases from those in our Ultisil Series.
Highlights
- High purity silica (99.99%) with 150Å pore size and 250 m2/g surface area.
- 12% carbon loading for C18 phase
- Good for small molecules and peptides.
- Lower back pressure than Ultisil®.
- Because of large pore and moderate carbon loading, TopsilTM C18 phase can also be used at 100% aqueous condition without phase collapse.
Specifications
| Chemistry: | C18 |
| Length: | 250 mm |
| Internal Diameter: | 3.0 mm |
| Particle size: | 5 um |
| Pore size: | 150Å |
| Surface Area: | 260 m2/g |
| Carbon Load: | 12% |
| Max. pressure: | 400 bar |
| pH range: | 2.0-9.5 |
| MaxTemp: | 60⁰C |
| USP Class: | L1 |
| Brand: | Topsil Top-C18 |
| Manufacturer: | Welch Materials |
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