Intended for structured formulation workflows, pre-column systems such as the Hplc Guard Columns (Analytical) Nucleodur ® C 18 Pyramid, 3 μm, 4 x 3 mm play a crucial role in protecting your main HPLC column from contamination. With a pore size of 110 Å, these fully porous particles (FPP) offer a specific surface area of 340 m²/g, ensuring efficient filtration and extended column lifespan. The reversed phase (RP) separation principle, combined with polar endcapping and octadecyl (C 18, ODS) modification, ensures optimal performance under a wide pH range of 1.0-9.0. The guard columns' pressure stability of up to 600 bar allows for high-performance liquid chromatography applications while maintaining a

• Category: Pre-column systems for HPLC
• Particle size: 3 µm
• Pore volume: 0.9 ml/g
• Specific surface according to BET: 340 m²/g
• Surface chemistry: Octadecyl (C 18 , ODS) modification, Polar endcapping
• pH stability: 1,0-9,0
• Separation principle: Reversed phase (RP)
• Carbon content: 14 %
• Column inner diameter: 3 mm
• Eluent in column: Acetonitrile - Water
• Pressure stability: 600 bar
• Particle type: Fully porous particles (FPP)
• Endcapped: yes
• Column length: 4 mm
• Pore size: 110 Å
• L x Ø internal (column): 4 x 3 mm