Ultra C18 Columns
The Ultra line represents Restek’s broadest selection of stationary phases on a single silica support. Made of high-purity, type-B silica that minimizes activity and creates high-density bonding, these columns are designed for selective and reliable HPLC applications.
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General GC consumables used with all equipment for general GC tests in lab
Restek is the go to site for any and all GC consumables for most instruments. Anything from ferrules, to columns and syringes. If you cannot get the original from manufacturer, Restek is bound to have it.
Review Date: 25 Mar 2022 | Restek Corp.
Great columns at a great price!
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Restek columns are very consistent from year to year. I have been using their GC and HPLC columns for over 20 years and have never had a problem.
Review Date: 24 Dec 2020 | Restek Corp.
The Ultra line represents Restek’s broadest selection of stationary phases on a single silica support. Made of high-purity, type-B silica that minimizes activity and creates high-density bonding, these columns are designed for selective and reliable HPLC applications.
The general-purpose Restek C18 is a conventional monomeric octadecylsilane column suitable for analyses of a wide range of compounds from acidic through slightly basic.
- Stationary Phase Category: C18, octadecylsilane (L1)
- Ligand Type: monomeric C18
- Particle: 3 μm or 5 μm, spherical
- Pore Size: 100 Å
- Carbon Load: 20%
- End-Cap: yes
- Surface Area: 300 m2/g
- pH Range: 2.5 to 8
- Maximum Temperature: 80 °C
