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Epic C4 SD LC Columns - 125 mm, 2.1 mm I.D., 3 μm

Epic C4 SD is a highly base deactivated high carbon super dense (SD) phase that is produced via a multiple step process. The first step involves the high density bonding of monomeric C4 reagent. The second step utilizes a proprietary multiple endcapping bonding process that produces highly base deactivated columns. The Epic C4 SD product, as a result of our special bonding treatment, is highly hydrophobic and exceptionally inert for the analysis of both acids and bases. The unique chemical structure provides for stable retention under high aqueous conditions, without exhibiting phase collapse. Epic C4 SD is the least hydrophobic of the alkyl phases (C18 and C8) and is useful for lipophilic molecules and applications which require less retention.

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The Epic line our latest range of LC columns, based on high density monomerically bonded phases produced through a proprietary bonding process. Epic HPLC and UHPLC columns are compatible with a wide range of organic modifiers and buffers and stable over a wide pH range. All Epic products use an ultra-high purity metal free silica and undergo strict quality control testing. For flexibility, we offer a wide range of column sizes as well being fully scalable from analytical to preparative dimensions.

Features and Benefits:

  • Ultra-high purity silica for improved peak shape, especially for basic compounds
  • Extensive range of stationary phase chemistries with innovative bonding chemistry to enhance method development
  • High density bonding produces columns with better pH stability, increased sample loading and better lot-to-lot reproducibility
  • Extended pH stability across commonly used mobile phase buffers
  • Microbore to preparative dimensions available to allow flexibility and full scalability


Inner Diameter 2.1 mm
Length 125.0 mm
Particle Size 3.0 µm
Phase C4 SD