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.
Ultra C18 Columns
Average Rating: 5.0
2 Scientists have reviewed this product
Status:
Reviewer
Member since: 2020
Organization: Penstraze Consulting
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- Ease of use
- After sales service
- Value for money
Great source for GC consumables
Rating: 5.0
Application Area: 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 | Ultra C18 Columns
Status:
Reviewer Member since: 2017
Organization: emsl analytical
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- Ease of use
- After sales service
- Value for money
Great columns at a great price!
Rating: 5.0
Review date: 24 Dec 2020 | Ultra C18 Columns
Application Area:Industrial hygiene analysis
"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 | 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.
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
Product Overview
