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logo Imchem

your expert source for
LC & GC chromatography consummables Manufacturer & Distributor

20th anniversary

High Resolution

Stationary Phase

The ability to separate peaks is expressed in the resolution. While the mobile phase contributes to separation through retention and selectivity, the performance of the column through selectivity and the number of plates of the stationary phase should not be forgotten.

Concretely imChem has developed a specific stationary phase to solve chromatographic separations requiring more resolution.

 

This translates technically and commercially into 3 chemistries which occupy the field of action, to ensure an excellent separation quality in all hardware dimensions (diameter, length).

logo Shaper

grains de silice au microscope electronique

The common denominator is the quality of the Shaper ranges
Long lifetime YES
Peak symmetry YES
Spherical particles YES
High purity YES
High specific surface High
Acid-Basic Neutral Compounds



Our Shaper HPLC range

Shaper Global

High performance spherical silica, high purity, and low metal content for challenging applications.
The narrow distribution of particle size, combined with a specific surface and an optimal pore volume allows for robust particles with excellent retention characteristics.
  • Excellent peak shape.
  • Partition of acid, basic and neutral compounds in a single analysis.
  • Excellent column lifetime.

Normal endcapping for the Shaper range.


Shaper Extreme columns

Born from our last-generation bonding technology.
Controlled hydrophobia allowing the obtention of optimal retention times and a decrease in inclusion and «carry over» phenomena.
  • Ideal for a mass spectrometry use, C18 trifunctional bonding.
  • High robustness in extreme environments.
  • Steric selectivity
High density endcapping for our Shaper Extreme range, allowing work on a large pH range, from 1 to 10.

Shaper AQ columns

Stable from 100% of organic phase to 100% of aqueous phase.
The Shaper AQ column possesses an extremely stable bonding phase which permits the use of a single column in diverse mobile phase conditions. You can easily work in highly organic or highly aqueous conditions.
  • Available in a wide selection of column formats.
  • Long column lifetime.
  • Excellent retention of polar analytes with 100% aqueous mobile phases.
  • High retention of hydrophobic analytes with 100% organic mobile phases.

Shaper range characteristics



 
Phase Mono-Functional / Tri-Functional End-capped

Shaper Global

M

YES

Shaper Extreme

T

HIGH DENSITY

Shaper AQ

M

YES

 



 
Phase Hydrophobicity Hydrophobic retention Hydrophobic Very Hydrophobic
Acids Bases

Shaper Global

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Shaper Extreme

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• • •

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Shaper AQ

• •

• •

• •

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Because of their various selectivities, our Shaper ranges can be used to perform all of the challenges faced by a chromatographer :
You wish to
Opt for

Analyse acid, basic and neutral compounds in a single analysis.

Shaper Global

Use a mobile phase with wide pH range (1 to 10)

Shaper Extreme

Work from 100% aqueous phase to 100% organic phase

Shaper AQ

Analyse polar compounds in 100% aqueous phases

Analyse hydrophobic compounds in 100% organic phases




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