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  11. Ion Exclusion Chromatography (IEX)

Ion Exclusion Chromatography (IEX)

  • Separation is based on electrostatic interaction (repulsion) between the ion exchanger and ionic solutes.
  • Dissociated ionic molecules elute faster than non-dissociated forms.
  • Used mainly for the analysis of organic acids.
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Ion Exclusion Chromatography (IEX)

Features
Specifications
Document
Related products

Features

SH1011, SH1821
  1. Columns for simultaneous analysis of saccharides and organic acids (counter ion: H+)
  2. Separates neutral sugars by size exclusion mode and organic acids by ion exclusion mode
  3. Suitable for the analysis of uronic and aldonic acids
  4. Fulfill USP-NF L17 and L22 requirements

 
KC-811
  1. Columns suitable for the analysis of organic acids
  2. Separates compounds by ion exclusion mode and reversed phase mode
  3. Highly selective when used with post column method
  4. KC-811 6E is suitable for cyanide ions and cyanogen chloride analysis in accordance with the Japanese Water Supply Act
  5. Fulfills USP-NF L17 and L22 requirements
NN-814
  1. The packing material modified with sulfo groups supports multimode (reversed Phase and cation exchange) analysis.
  2. Ideal for the analysis of complex samples containing neutral and ionic substances.

Specifications

Functional group Particle size (µm) Base material Column size (mm)
sulfo 6 Styrene divinylbenzene copolymer 8×300
IEX 10 polyhydroxymethacrylate 6×50
  13 8×100
  8×50
  8×250

Manufacturers

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Document

Ion Exclusion Chromatography Brochure

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