Intended for structured formulation workflows, the Hplc Guard Columns (Analytical) Nucleodur ® Hilic provide essential protection for your main HPLC column during analytical separations. With a particle size of 1.8 μm and a pore size of 110 Å, these fully porous particles (FPP) offer a specific surface area of 340 m²/g, ensuring optimal sample retention and separation efficiency. The hydrophilic interaction chromatography (HILIC) principle allows for efficient separation of polar compounds, while the ammonium – sulfonic acid (zwitterionic) modified surface provides excellent compatibility with acetonitrile – water eluents. The pressure stability of up to 900 bar ensures robust performance under high-pressure conditions, making these guard columns ideal for demanding applications.

• Category: Pre-column systems for HPLC
• Pressure stability: 900 bar
• Surface chemistry: Ammonium – sulfonic acid (zwitterionic) modification
• Carbon content: 7 %
• Eluent in column: Acetonitrile - Water
• Temperature stability: 60 ° C
• Column length: 4 mm
• Separation principle: Hydrophilic Interaction Chromatography (HILIC)
• Column inner diameter: 2 mm
• Particle type: Fully porous particles (FPP)
• L x Ø internal (column): 4 x 2 mm
• Pore size: 110 Å
• Specific surface according to BET: 340 m²/g
• Pore volume: 0.9 ml/g
• pH stability: 2,0-8,5
• Endcapped: no
• Particle size: 1.8 µm