Topsil Silica
– 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 | Normal-Phase | Surface Area | 250 |
|---|---|---|---|
| Modification | Silica | Endcapped | Yes |
| Pore Size (Å) | 150 |
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
| Tp3SI203 | 30 | 2.1 | 3.0 | 150 |
| Tp3SI205 | 50 | 2.1 | 3.0 | 150 |
| Tp3SI210 | 100 | 2.1 | 3.0 | 150 |
| Tp3SI215 | 150 | 2.1 | 3.0 | 150 |
| Tp3SI220 | 200 | 2.1 | 3.0 | 150 |
| Tp3SI225 | 250 | 2.1 | 3.0 | 150 |
| Tp3SI303 | 30 | 3.0 | 3.0 | 150 |
| Tp3SI305 | 50 | 3.0 | 3.0 | 150 |
| Tp3SI310 | 100 | 3.0 | 3.0 | 150 |
| Tp3SI315 | 150 | 3.0 | 3.0 | 150 |
| Tp3SI320 | 200 | 3.0 | 3.0 | 150 |
| Tp3SI325 | 250 | 3.0 | 3.0 | 150 |
| Tp3SI330 | 300 | 3.0 | 3.0 | 150 |
| Tp3SI4003 | 30 | 4.0 | 3.0 | 150 |
| Tp3SI4005 | 50 | 4.0 | 3.0 | 150 |
| Tp3SI4010 | 100 | 4.0 | 3.0 | 150 |
| Tp3SI4015 | 150 | 4.0 | 3.0 | 150 |
| Tp3SI4020 | 200 | 4.0 | 3.0 | 150 |
| Tp3SI4025 | 250 | 4.0 | 3.0 | 150 |
| Tp3SI403 | 30 | 4.6 | 3.0 | 150 |
| Tp3SI4030 | 300 | 4.0 | 3.0 | 150 |
| Tp3SI405 | 50 | 4.6 | 3.0 | 150 |
| Tp3SI410 | 100 | 4.6 | 3.0 | 150 |
| Tp3SI415 | 150 | 4.6 | 3.0 | 150 |
| Tp3SI420 | 200 | 4.6 | 3.0 | 150 |
| Tp3SI425 | 250 | 4.6 | 3.0 | 150 |
| Tp3SI430 | 300 | 4.6 | 3.0 | 150 |
| Tp5SI203 | 30 | 2.1 | 5.0 | 150 |
| Tp5SI205 | 50 | 2.1 | 5.0 | 150 |
| Tp5SI210 | 100 | 2.1 | 5.0 | 150 |
| Tp5SI215 | 150 | 2.1 | 5.0 | 150 |
| Tp5SI220 | 200 | 2.1 | 5.0 | 150 |
| Tp5SI225 | 250 | 2.1 | 5.0 | 150 |
| Tp5SI303 | 30 | 3.0 | 5.0 | 150 |
| Tp5SI305 | 50 | 3.0 | 5.0 | 150 |
| Tp5SI310 | 100 | 3.0 | 5.0 | 150 |
| Tp5SI315 | 150 | 3.0 | 5.0 | 150 |
| Tp5SI320 | 200 | 3.0 | 5.0 | 150 |
| Tp5SI325 | 250 | 3.0 | 5.0 | 150 |
| Tp5SI330 | 300 | 3.0 | 5.0 | 150 |
| Tp5SI4003 | 30 | 4.0 | 5.0 | 150 |
| Tp5SI4005 | 50 | 4.0 | 5.0 | 150 |
| Tp5SI4010 | 100 | 4.0 | 5.0 | 150 |
| Tp5SI4015 | 150 | 4.0 | 5.0 | 150 |
| Tp5SI4020 | 200 | 4.0 | 5.0 | 150 |
| Tp5SI4025 | 250 | 4.0 | 5.0 | 150 |
| Tp5SI403 | 30 | 4.6 | 5.0 | 150 |
| Tp5SI4030 | 300 | 4.0 | 5.0 | 150 |
| Tp5SI405 | 50 | 4.6 | 5.0 | 150 |
| Tp5SI410 | 100 | 4.6 | 5.0 | 150 |
| Tp5SI415 | 150 | 4.6 | 5.0 | 150 |
| Tp5SI420 | 200 | 4.6 | 5.0 | 150 |
| Tp5SI425 | 250 | 4.6 | 5.0 | 150 |
| Tp5SI430 | 300 | 4.6 | 5.0 | 150 |
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