Topsil C18
– 54 columns
Vendor: Welch Materials
- High purity silica (99.99%) with 150 Å pore size and 250 m2/g surface area 12% carbon loading for C18 phase
- Because of large pore and moderate carbon loading, Topsil C18 phase can also be used as AQ-C18 without phase collapse
- Endcapped for excellent peak shape and lifetime
- Lower back pressure than Ultisil
- Good for small molecules and peptides
- Topsil phases including C18, C8, Phenyl and Silica
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Brand specifications
Every parameter recorded for every column in this Brand is shown here. A single value applies across the Brand; multiple values show what is recorded across its columns.
| Mode | Reversed-Phase | Surface Area | 250 |
|---|---|---|---|
| Modification | Silica/C18 | Carbon Load, % | 12.0 |
| Pore Size (Å) | 150 | Endcapped | Yes |
Choose column specifications
Available: 30 – 300 mm
Available: 2.1 – 4.6 mm
Available: 3 – 5 μm
Pore Size
Recorded value
150 Å
Columns in this brand
Use the selectors above to narrow the list by specification, or search here by P/N or any displayed value.
54 columns shown
| Tp3B18203 | 30 | 2.1 | 3.0 | 150 |
| Tp3B18205 | 50 | 2.1 | 3.0 | 150 |
| Tp3B18210 | 100 | 2.1 | 3.0 | 150 |
| Tp3B18215 | 150 | 2.1 | 3.0 | 150 |
| Tp3B18220 | 200 | 2.1 | 3.0 | 150 |
| Tp3B18225 | 250 | 2.1 | 3.0 | 150 |
| Tp3B18303 | 30 | 3.0 | 3.0 | 150 |
| Tp3B18305 | 50 | 3.0 | 3.0 | 150 |
| Tp3B18310 | 100 | 3.0 | 3.0 | 150 |
| Tp3B18315 | 150 | 3.0 | 3.0 | 150 |
| Tp3B18320 | 200 | 3.0 | 3.0 | 150 |
| Tp3B18325 | 250 | 3.0 | 3.0 | 150 |
| Tp3B18330 | 300 | 3.0 | 3.0 | 150 |
| Tp3B184003 | 30 | 4.0 | 3.0 | 150 |
| Tp3B184005 | 50 | 4.0 | 3.0 | 150 |
| Tp3B184010 | 100 | 4.0 | 3.0 | 150 |
| Tp3B184015 | 150 | 4.0 | 3.0 | 150 |
| Tp3B184020 | 200 | 4.0 | 3.0 | 150 |
| Tp3B184025 | 250 | 4.0 | 3.0 | 150 |
| Tp3B18403 | 30 | 4.6 | 3.0 | 150 |
| Tp3B184030 | 300 | 4.0 | 3.0 | 150 |
| Tp3B18405 | 50 | 4.6 | 3.0 | 150 |
| Tp3B18410 | 100 | 4.6 | 3.0 | 150 |
| Tp3B18415 | 150 | 4.6 | 3.0 | 150 |
| Tp3B18420 | 200 | 4.6 | 3.0 | 150 |
| Tp3B18425 | 250 | 4.6 | 3.0 | 150 |
| Tp3B18430 | 300 | 4.6 | 3.0 | 150 |
| Tp5B18203 | 30 | 2.1 | 5.0 | 150 |
| Tp5B18205 | 50 | 2.1 | 5.0 | 150 |
| Tp5B18210 | 100 | 2.1 | 5.0 | 150 |
| Tp5B18215 | 150 | 2.1 | 5.0 | 150 |
| Tp5B18220 | 200 | 2.1 | 5.0 | 150 |
| Tp5B18225 | 250 | 2.1 | 5.0 | 150 |
| Tp5B18303 | 30 | 3.0 | 5.0 | 150 |
| Tp5B18305 | 50 | 3.0 | 5.0 | 150 |
| Tp5B18310 | 100 | 3.0 | 5.0 | 150 |
| Tp5B18315 | 150 | 3.0 | 5.0 | 150 |
| Tp5B18320 | 200 | 3.0 | 5.0 | 150 |
| Tp5B18325 | 250 | 3.0 | 5.0 | 150 |
| Tp5B18330 | 300 | 3.0 | 5.0 | 150 |
| Tp5B184003 | 30 | 4.0 | 5.0 | 150 |
| Tp5B184005 | 50 | 4.0 | 5.0 | 150 |
| Tp5B184010 | 100 | 4.0 | 5.0 | 150 |
| Tp5B184015 | 150 | 4.0 | 5.0 | 150 |
| Tp5B184020 | 200 | 4.0 | 5.0 | 150 |
| Tp5B184025 | 250 | 4.0 | 5.0 | 150 |
| Tp5B18403 | 30 | 4.6 | 5.0 | 150 |
| Tp5B184030 | 300 | 4.0 | 5.0 | 150 |
| Tp5B18405 | 50 | 4.6 | 5.0 | 150 |
| Tp5B18410 | 100 | 4.6 | 5.0 | 150 |
| Tp5B18415 | 150 | 4.6 | 5.0 | 150 |
| Tp5B18420 | 200 | 4.6 | 5.0 | 150 |
| Tp5B18425 | 250 | 4.6 | 5.0 | 150 |
| Tp5B18430 | 300 | 4.6 | 5.0 | 150 |
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