Because of the high carbon content and the protection of the Silica gel these materials are also suited for the use of mobile phase in an extended pH range from typically pH 1-12.
Ultra pure, spherical high performance HPLC phase based on silica gel
Unpolar, monomeric C18 (Octadecyl) modification, high efficiency endcapping with 17 % carbon content (~ 99 % endcapping)
Separation mechanism: Hydrophobic interaction
Unpolar C18 phase with high efficiency endcapping and 17 % carbon content, therewith 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
C18 phase based on ultra-pure silica gel (purity > 99 %), metal content < 10 ppm, pH-stability 2 - 8, pore size 100 A, particle size 2 μm, 3 μm, 5 μm, 10 μm (15 μm, 20 – 45 μm on request)
Recommended alternative to Kromasil 100 C18, für acidic, basic and neutral analytes in reversed phase mode with extended pH range
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
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
C18 phase based on ultra-pure silica gel (purity > 99 %), metal content < 10 ppm, pH-stability 2 - 8, pore size 100 A, particle size 2 μm, 3 μm, 5 μm, 10 μm (15 μm, 20 – 45 μm on request).
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.
Spherical high performance HPLC phase based on type A silica gel
Unpolar, monomeric C18 (Octadecyl) modification, endcapped, with 17 % carbon content
ProntoSIL C18 SH is the stationary phase in the ProntoSIL line with the highest carbon load. It is fully endcapped. Due to the carbon load it shows an excellent shape selectivity and stability even at pH 1. The C18 SH-bonding type is available with a pore size 120 Å and in several particle sizes.
