Phenomenex HPLC Guard Column Rezex RFQ-Fast Acid H+ (8%), 50 x 7.8 mm

Rezex RFQ-Fast Acid H + (8%) Ion Exclusion HPLC Columns 8% cross-linked hydrogen Rapid screening of food quality; ethanol, acetic acid, glycerol, and standard alcohol mixtures Analytes are routinely chromatographed under 5 minutes!