CHROMSHELL®

Why CHROMSHELL®?

Why CHROMSHELL®?

CHROMSHELL® extends the ARION® phases in the area of core-shell technology. These columns use an ultra high purity silica of 2.6 μm particles.

Hover over the icons to learn more about CHROMSHELL®.

Click on the icons to learn more about CHROMSHELL®.

Ultrapure silica with low metal content

Various chemistries including HILIC for broad range of applications

Narrow particle size and pore size distribution

CHROMSHELL® phases Particle size (µm) Pore size (Å) Surface area (m2/g) Carbon load pH stability Endcapping 100% aqueous mobile phase USP code
C18 Plus 2.6 85 85 9  % 1.5 to 7.5 Single-step × L1
C18-XB 2.6 85 85 8 % 1.5 to 8 Single-step × L1
C18-AB 2.6 85 85 6 % 1.5 to 8 Mixed × L1
C18 Polar 2.6 85 85 6.5 % 1.5 to 7 Mixed Yes L1
HILIC 2.6 85 85 1.5 to 7 Proprietary × L3
Si 2.6 85 85 1.5 to 7 × L3

What Does CHROMSHELL® Quality Look Like?

What Does CHROMSHELL® Quality Look Like?

CHROMSHELL® particles have a very tight distribution and the highest proximity to the shape of a spherical particle (c=0,9483 ± 0,0397). This ensures high separation power and separation reproducibility.

CHROMSHELL® 100×100 vs. Competitor K 100×100

CHROMSHELL®Competitor K

CHROMSHELL® 30×30 vs. Competitor K 30×30

CHROMSHELL®Competitor K

CHROMSHELL® Ultrapure Silica Gel Particles

CHROMSHELL® Ultrapure Silica Gel Particles

  • High proximity to a circle

  • Unique surface smoothness

  • Tight particle size distribution

  • No broken particles

  • No presence of clustered particles

  • No “Moon craters” or “Mountains”

CHROMSHELL® Up Close

CHROMSHELL® Silicagel

Particle Size
2.6 μm
Metal Content
<10 ppm
Temperature Stability
100 °C*
Mean Particle Diameter
2.54±0.18 μm
Proximity To The Shape Of Circle
0.95±0.04