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Article No.: 25VE182E2J
Articlename: Eurospher II 100-5 C18P with precolumn, Column 250 x 4.6 mm

Eurospher II 100-5 C18P with precolumn, Column 250 x 4.6 mm

Ultra pure, spherical high performance HPLC phase based on silica gel

Unpolar, trifunctional C18 (Octadecyl) modification, high efficiency endcapping, with 20 % carbon content (~ 99 % endcapping)


Separation mechanism: Hydrophobic and steric interaction

Key features

KNAUER´s most unpolar C18 phase, polymeric, high efficiency endcapping of 99 % and 20 % carbon content, higher pH stability in the range of 1-12, outstanding mechanical and chemical stability, suited for analytical as well as semi preparative and preparative applications

Recommended application areas

Alternative selectivity to standard C18; stationary phase in Eurospher II C18 family with the highest carbon load; fully endcapped; excellent shape selectivity and pH stability.

Technical Data

Separation column

Brand Eurospher II
Modification C18P
Special characteristics polymeric endcapping (ca. 99% high efficiency endcapping)
Particle size 5 µm
Pore size 100 Å
Particle shape spherical, totally porous
USP code L1
Length [mm] 250 mm
Inner diameter [mm] 4.6 mm with integrated precolumn
Hardware type Standard
Connection 1/16"
Application area HPLC
Pore volume 0.8 ml/g
Metal content < 10 ppm
Carbon load 20%
Recommended pH range 1-12
Density 430 g/l
Pressure rating 400 bar
Temperature range up to 40°C (up to 50 °C short term)
Specific surface area 320 ± 20 m²/g

Documents and more information

Certified Quality 

KNAUER is known for the quality of its products and has been certified several times. We produce high-tech laboratory instruments for research, routine analysis and production.
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In addition, we have extended documentation about all our products, including CE Declarations of Conformity.
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