InertSustain Amide

InertSustain Amide column is a HILIC (Hydrophilic Interaction Chromatography) column for enhanced retention of extremely polar compounds. It offers the strongest retentivity among the Amide columns available in the market due to the usage and bonding of carbamoyl groups. Superior stability and durability even under water rich mobile phases.

Specifications

• Base Material : High Purity ES Silica Gel
• Particle Size : 1.9 μm, 3 μm, 5 μm
• Surface Area : 350 m2/g
• Pore Size : 100 Å (10 nm)
• Pore Volume : 0.85 mL/g
• Functional Group : Carbamoyl
• End-capping : No
• Carbon Loading : 15 %
• USP Code : L68
• pH Range : 2 - 8.5

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Overview

Comparison with Other Brands

HILIC phases are particularly useful for compounds that are weakly retained by reversed phase columns such as Melamine and Cyanuric Acid. As shown below, InertSustain Amide provides stronger retention for such analytes compared to other HILIC columns available in the market.

InertSustain Amide HILIC HPLC Columns Brand comparison

Extreme Durability

The use of metaphosphoric acid aqueous solution as a diluent solvent is a common technique to prevent the decomposition of sample in Vitamin C (ascorbic acid) analysis. A silica-base amide type columns often show short column lifetime due to the usage of strongly acidic diluent solvent in the analysis. As proven below, InertSustain Amide offer longer column lifetime even under such harsh analytical condition.

InertSustain Amide HILIC HPLC Columns Column lifetime