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Silica gel modified with quaternary amine, strongly basic anion exchanger (SAX). Capacity ~ 0.3... more
Silica gel modified with quaternary amine, strongly basic anion exchanger (SAX). Capacity ~ 0.3 meq/g, not suited for very strong anions such as sulfonic acids, because these are difficult to elute.
|Method||Solid phase extraction (SPE)|
|Mode||Ion exchange (IEX)|
|Base material||Silica gel|
|Surface chemistry||Silica gel with quaternary ammonium modification, strongly basic anion exchanger (SAX)|
|Column type||SPE column|
|Hardware||Polypropylene (PP) columns with polyethylene (PE) filter elements|
|Column shape||Open tubular syringe-shaped column with Luer tip outlet|
|Column volume||6 mL|
|Filling quantity||1000 mg|
|Column volume/adsorbent weight||6 mL/1000 mg|
|Recommended application(s)||Caffeine, Organic acids, Saccharin|
|Particle type||Fully porous particles (FPP)|
|Particle size||45 µm|
|Specific surface according to BET||500 m²/g|
|Filter element material||Polyethylene (PE)|
|Scope of delivery||30x (6x5 in aluminum bags each) SPE columns, certificate of analysis|