Developed to align with modern chemical standards, the pre-column systems for HPLC, such as the Hplc Guard Columns (Analytical) Nucleodur ® PFP, 5 μm, 4 x 3 mm, serve as crucial protective measures for your primary HPLC column. Their purpose is to safeguard against contamination, preventing harmful chemical impurities from reaching the main column. By installing these short columns within a guard column holder between the injector and the HPLC column, you ensure that potential contaminants remain isolated, thereby extending the lifespan of your valuable main column. Featuring pentafluorophenylpropyl (PFP) modification, these fully porous particles (FPP) have a specific surface area of 340 m²/g, offering exceptional separation capabilities in acetonitrile-water eluents while maintaining pressure stability

• Category: Pre-column systems for HPLC
• Separation principle: Reversed phase (RP)
• Eluent in column: Acetonitrile - Water
• Pore volume: 0.9 ml/g
• Column inner diameter: 3 mm
• Carbon content: 8 %
• Particle size: 5 µm
• Endcapped: yes
• pH stability: 1,0-9,0
• Particle type: Fully porous particles (FPP)
• Pore size: 110 Å
• L x Ø internal (column): 4 x 3 mm
• Surface chemistry: Pentafluorophenylpropyl (PFP) modification
• Specific surface according to BET: 340 m²/g
• Pressure stability: 600 bar
• Column length: 4 mm