Newcrom BH column is used for HPLC separation of weak and strong organic acids using a mixed-mode method. Benzoic and napthalenesulfonic acids are retained based on polar interaction mode and anion-exchange mode. The isocratic separation is achieved very quickly on a short 3.2 x 50 mm column in under 3 minutes. The mobile phase is acetonitrile (ACN) and water with sulfuric acid buffer. UV detection at 275nm.
Column | Newcrom BH, 3.2×50 mm, 3 µm, 100A |
Mobile Phase | MeCN/H2O – 80/20% |
Buffer | H2SO4 – 0.2% |
Flow Rate | 0.5 ml/min |
Detection | UV 275nm |
Class of Compounds | Acid |
Analyzing Compounds | Benzoic Acid, 2-naphtalenesulfonic Acid |
Application Column
Newcrom BH
The Newcrom columns are a family of reverse-phase-based columns. Newcrom A, AH, B, and BH are all mixed-mode columns with either positive or negative ion-pairing groups attached to either short (25 Å) or long (100 Å) ligand chains. Newcrom R1 is a special reverse-phase column with low silanol activity.
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