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Improving HPLC Retention with Ion-Pair Chromatography Reagents

Improving HPLC Retention with Ion-Pair Chromatography Reagents

19 May 2026
Núria Batet

CymitQuimica has expanded its chromatography portfolio with a new range of ion-pair chromatography reagents from SRL, designed to improve the analysis of ionic and highly polar compounds in reversed-phase HPLC.

Highly polar or charged analytes can be difficult to retain using conventional reversed-phase methods. This often results in poor retention, broad peaks, and low resolution. Ion-pair chromatography offers a simple and effective way to improve these separations.

By adding ion-pair reagents to the mobile phase, charged compounds interact more effectively with the stationary phase, leading to better retention and improved peak shape.

This technique is commonly used in:

  • Pharmaceutical analysis
  • Environmental testing
  • Food analysis
  • Biochemical applications

Benefits of Ion-Pair Reagents

Ion-pair chromatography reagents can help:

  • Improve retention of polar compounds
  • Enhance peak shape and symmetry
  • Increase resolution and selectivity
  • Improve method reproducibility
  • Simplify difficult separations

For many laboratories, ion-pair chromatography is a practical alternative to complex method redevelopment or specialized columns.

Available Product Range

Sodium Alkylsulfonates (C5–C10)

Available products include:

Products are available in anhydrous and monohydrate forms depending on the grade.

Quaternary Ammonium Salts

Also available:

These reagents are widely used in reversed-phase HPLC and remain compatible with UV detection methods.

Key Advantages

The SRL ion-pair reagent range offers:

  • High purity grades
  • Excellent UV and IR transparency
  • Consistent quality
  • Multiple packaging options
  • Competitive pricing and stock availability
  • Reliable performance in HPLC applications

These products are suitable for both routine analysis and research laboratories.

Supporting Better HPLC Methods

Ion-pair chromatography remains a reliable technique for improving the separation of difficult polar and ionic compounds.

Whether analyzing pharmaceutical APIs, metabolites, organic acids, amines, or related compounds, the right ion-pair reagent can help improve chromatographic performance and method reliability.

For technical specifications, certificates, and product availability, explore the complete CymitQuimica ion-pair chromatography reagent range.