L1 Octadecylsilane
L1 Octadecylsilane |
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Merck offers a comprehensive range of high-quality HPLC columns. Among these are a wide selection of columns that meet USP (United States Pharmacopoeia) specifications. The L nomenclature was introduced by the USP to designate column types for high-performance liquid chromatography. To help you select the appropriate HPLC column for your application, the table below describes various L columns as well as the corresponding HPLC columns available from Merck.
| USP | Description | Columns |
|---|---|---|
L1 |
Octadecly silane (ODS or C18) chemically bonded to porous silica or ceramic particles, 1.5 to 10 µm in diameter | Chromolith® RP-18 Endcapped LiChrosorb® RP-18 (5 µm) LiChrosorb® RP-18 (10 µm) LiChrospher® RP-18 (5 µm) LiChrospher® RP-18 (10 µm) LiChrospher® RP-18 Endcapped (5 µm) LiChrospher® RP-18 Endcapped (10 µm) Purospher® RP-18 (5 µm) Purospher® RP-18 Endcapped (5 µm) Purospher® STAR RP-18 Endcapped (3 µm) Purospher® STAR RP-18 Endcapped (5 µm) Superspher® RP-18 Endcapped (4 µm) Superspher® RP-18 (4 µm) |
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