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Certificates of analysis for new Restek LC columns are now provided electronically. To view and download, visit www.restek.com/documentation then enter your cat.# and serial #.
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: End-capped C18
Particle: 1.8 µm, 3 μm, or 5 μm fully porous silica
Pore Size: 100 Å
Carbon Load: 20%
Surface Area: 300 m2/g
pH Range: 2.0–8.0
Maximum Temperature: 80 °C
Maximum Pressure: 1034 bar/15,000 psi* (1.8 μm), 600 bar/8700 psi (3 μm); 400 bar/5800 psi (5 μm)
* For maximum lifetime, recommended maximum pressure for 1.8 μm particles is 830 bar/12,000 psi.
Switch to a C18 when:
Thermo Fisher Scientific: Syncronis C18 (1.7 µm), Hypersil Gold Vanquish (1.9 µm)
Supelco/Millipore Sigma: Titan C18 (1.9 µm), Discovery C18
Agilent: Zorbax Eclipse Plus C18, Zorbax RRHD Eclipse Plus C18 (1.8 µm), Zorbax RRHD Eclipse XDB-C18 (1.8 µm)
Waters: ACQUITY UPLC HSS C18
Devosil: Develosil C18
GL Sciences: Inertsil ODS-2
Phenomenex: Kromasil C18, LiChrospher RP-18, Luna Omega C18 (1.6 µm)