HPLC Columns

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To minimize the effects of metal impurities and residual silanol groups present in silica gel, we have utilized chromatography-optimized silica gel that has been re-purified by our company.

The surface of the purified silica gel was coated with a silicon polymer using chemical vapor deposition (CVD), and then functional groups were directly bonded to synthesize the packing material (gas-phase reaction).

USP Class No. Particle Size(um) Pore Size(Ằ) Surface Area(m2/g) C(%) Usable pH range End Capping
Aegispak C18-F L1 3, 5 120 320 13 1.0~9.0 O
Aegispak C18-FA L1 3, 5 120 320 11 1.0~9.0 O
Aegispak C18-L L1 3, 5 100 330 14 1.0~9.0 O
Aegispak C18-LA L1 3, 5 100 330 13 1.0~9.0 O
Aegispak C8 L7 3, 5 100 330 8 1.0~9.0 O
  • Aegispak C18-F
    · This column features relatively low hydrophobicity and low surface polarity.
    · It is effective for the rapid analysis of highly hydrophobic compounds. (USP L1)
  • Aegispak C18-FA
    · This is an Aegispak C18-F column that has been treated with strong acid for 6 days. It is highly resistant to acids. (USP L1)
  • Aegispak C18-L
    · This is a column with excellent aqua characteristics (tested with 100% buffer mobile phase for over 100 hours).
    · It features high hydrophobicity and low surface polarity.
    · As a general-purpose column with moderate retention characteristics, it is highly versatile for the analysis of both polar and hydrophobic compounds. (USP L1)
  • Aegispak C18-LA
    · This is an Aegispak C18-L column that has been treated with strong acid for 6 days. It is a column with strong acid resistance. (USP L1)
  • Aegispak C8
    · This column features low hydrophobicity and high surface polarity.
    · It allows for faster analysis compared to C18, but effective separation requires a significant polarity difference between samples.
    · It is highly effective for rapid analyses, such as content testing of single substances. (USP L7)

(Horizontal=Inner Diameter(mm) / Vertical=Length(mm)

※ The length can be supplied as per your request within the available specifications
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Aegispak columns exhibit excellent lot reproducibility