- Remove inorganic anions and strong organic acids contaminants from sample matrices and neutralize highly acidic samples to improve ion chromatography IC performance and facilitate trace ion analysis- Performed prior to IC analysis- Eliminates matrix interferences using styrene-based anion-exchange resin in the bicarbonate- Use them singly or in series or pretreat up to 12 samples in parallel using the optional Dionex OnGuard Sample Prep Station- Boost sensitivity, lower baselines, and improve separations- Achieve reproducible trace-level determinations in concentrated matrices- Increase the lifetime of your analytical columns- Use for a wide range of matrices thanks to wide pH stability- Supports applications with choice of 1cc and 25cc formats as well as syringe barrel format for robotic processing custom order- Leak-free no-channeling cartridge- Quick secure Luer inlet connections- Ships with a Certificate of Analysis that verifies capacity performance and cleanliness