CHROMABOND SPE Columns, SB, 1gm, 6mL, 45µm, 60Å

Quaternary ammonium modified silica anion exchanger for SPE (SAX)

Features:
Base material silica, pore size 60 Å, particle size 45 µm, specific surface 500 m2/g, pH stability 2–8
Silica modified with quaternary amine
Strongly basic anion exchanger (capacity ~ 0.3 meq/g)
Not suited for very strong anions such as sulfonic acids, because these are difficult to elute

Recommended application:
Organic acids, caffeine, saccharin