ReproSil Saphir 100 SAX

Strong Anion Exchange Column for Polar and Acidic Compound Separations

ReproSil Saphir 100 SAX from Dr. Maisch HPLC GmbH is a high-purity silica-based HPLC column with a 100 Å pore size and a strong anion exchange bonded phase based on quaternary ammonium functional groups. This chemistry provides strong ionic retention for negatively charged analytes, ensuring high resolution, excellent selectivity, and sharp peak shapes. Engineered for robustness and reproducibility, this column is well-suited for ion-exchange chromatography of polar and acidic small molecules in complex matrices.

ReproSil Saphir 100 SAX columns from Dr. Maisch HPLC GmbH deliver robust, high-resolution anion-exchange performance – the ideal choice for polar and acidic compound chromatography in HPLC.

Key Features:

  • Fully porous, ultra-pure silica with 100 Å pore size

  • Strong anion exchange phase (quaternary ammonium functionality)

  • High selectivity and resolution for negatively charged analytes

  • Excellent reproducibility and peak symmetry

  • Manufactured and QC-tested by Dr. Maisch HPLC GmbH

  • Available in 5 µm

Typical Applications:

  • Separation of acidic pharmaceuticals and metabolites

  • Analysis of organic acids and anionic food additives

  • Environmental analysis of anionic contaminants

  • Method development for polar compound separations

Specifications

Request Product
Particle Size
  • 5 µm
Pore Size 100 Å
Surface Area 400 m²/g
Phase/Modification Propyl-SAX
Particle Type
Separation Mode
USP Code
Endcapping No
Carbonload 6 %
pH Range 2 to 8

Material Number

Phase Material Number
ReproSil Saphir 100 SAX, 5 µm ra15.sax.
ReproSil Saphir 100 NH2 ReproSil Saphir 100 SCX

Any questions?
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info@dr-maisch.com +49 7073 5035 7

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