Antibiotics are widely used for treatment and prevention of bacterial infections. Various antibiotics, particularly those with a sulfanilamide structure, were separated in HPLC using mixed-mode columns with varying strengths of ion-pairing groups. Methanol can be used in the mobile phase on Newcrom A column. The antibiotics were resolved on both columns with a gradient mobile phase consisting of acetonitrile (ACN) or methanol (MeOH), water and sulfuric acid (H2SO4) buffer. UV detection at 275nm.
| Column | Newcrom A, 3.2 x 100 mm, 5 µm, 100 A, dual ended |
| Mobile Phase | MeOH Gradient |
| Buffer | H2SO4 Gradient |
| Flow Rate | 0.5 ml/min |
| Detection | UV 275 nm |
| Class of Compounds | Drugs, Antibiotics |
| Analyzing Compounds | Sulfanilamide, Sulfadiazine, Sulfaguanidine, Dapsone, Sulfaquinoxaline |
Application Column
Newcrom A
Column Diameter: 3.2 mm
Column Length: 100 mm
Particle Size: 5 µm
Pore Size: 100 A
Column options: dual ended
Application Analytes:
DapsoneSulfadiazine
Sulfaguanidine
Sulfanilamide
Sulphaquinoxaline
Application Detection:
UV Detection
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