Widely applied in chemical workflows, the Hplc Guard Columns (Analytical) Nucleoshell ® Rp 18, 5 μm, 4 x 2 mm are essential pre-column systems designed for protecting main HPLC columns from contamination. Featuring a core-shell structure with superficially porous particles (SPP), these guard columns have a pore size of 90 Å and a specific surface area of 90 m²/g, as per BET. With a particle size of 5 μm and an internal diameter of 2 mm, they offer a pressure stability of up to 600 bar. The columns' reversed phase (RP) separation principle, combined with high density monomeric octadecyl (C 18 , ODS) modification and base deactivation (BDS), ensures optimal performance in acetonit

• Category: Pre-column systems for HPLC
• Column length: 4 mm
• Surface chemistry: High density monomeric octadecyl (C 18 , ODS) modification, Base deactivated (BDS)
• Eluent in column: Acetonitrile - Water
• Endcapped: yes
• L x Ø internal (column): 4 x 2 mm
• Particle size: 5 µm
• pH stability: 1,0-11,0
• Carbon content: 7.8 %
• Specific surface according to BET: 90 m²/g
• Column inner diameter: 2 mm
• Pore size: 90 Å
• Pressure stability: 600 bar
• Particle type: Core-shell, superficially porous particles (SPP)
• Separation principle: Reversed phase (RP)