HPLC Separation and Retention of Vitamins in Mixed-Mode on Primesep B

Primesep B and B2 columns separate Vitamins C (ascorbic acid) and B2 (riboflavin) with tunable selectivity. Both columns allow peak order reversal by simply changing the acetonitrile concentration in the mobile phase. Vitamin B2 is especially sensitive to acetonitrile concentration. The HPLC separation uses a mobile phase of water, acetonitrile (MeCN, ACN) and either trifluoroacetic acid (TFA) or acetic acid (HOAc) with UV detection at 250 nm.

Condition

Column Primesep B, 3.2×50 mm, 5 µm, 100A
Mobile Phase MeCN/H2O
Buffer Formic Acid, Acetic Acid
Flow Rate 0.5 ml/min
Detection UV, 250 nm

 

Description

Class of Compounds
Drug, Vitamin B₆, Hydrophobic, Ionizable
Analyzing Compounds Vitamins C (ascorbic acid) and B2 (riboflavin)

Application Column

Primesep B

Column Diameter: 3.2 mm
Column Length: 50 mm
Particle Size: 5 µm
Pore Size: 100 A

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Application Analytes:
Vitamin B2 (Riboflavin)
Vitamin C

Application Detection:
UV Detection
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