top of page

SAX SPE Cartridge

Extracting acidic compounds


Finetech® SAX is a silica-based strong anion exchanger. Its quaternary ammonium ligand is always positively charged and engenders very strong anion exchange capacity. SAX is able to extract acidic compounds such as carboxylic acids.

◆ Features:

  • Very strong anion exchange interaction with acidic compounds

  • Capable of retaining compounds that elute from weak anion exchange sorbents

  • Simple retention mechanism, with minimal secondary interactions

◆ Specifications:


Surface area: 480 m²/g
Particle size: 40-75 μm
Pore size: 70 Å

◆ Applications:

  • Removal of negatively charged substances such as organic acids, nucleotides, sulfonic acids and inorganic anions from samples

  • Determination of hormones in meat

  • Determination of sulfonylurea herbicides in soil, vegetables and cereals

◆ Ordering Information

bottom of page