TSKgel SP-2SW
The TSKgel SP-2SW column is packed with 5 micron, spherical silica beads which are surface modified with sulfopropyl strong cation exchange groups. This column is used for the separation and analysis of small proteins, peptides, nucleosides, and other biologically active molecules.
Rapid analysis for the herbicides paraquat and diquat
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Column: TSKgel SP-2SW, 5 µm, 4.6 mm ID × 25 cm
Mobile phase: 20%CH3CN in 0.2 mol/L phosphate, pH 3.0
Flow rate: 1.0 mL/min
Detection: UV @ 290 nm
Samples: 1. paraquat, 5 g/mL
2. diquat, 5 g/mL |
Separation of nucleosides
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Column: TSKgel SP-2SW, 5 µm, 4.6 mm ID × 25 cm
Mobile phase: A: 0.1 mol/L sodium citrate - phosphoric acid buffer, pH 3.5
B: 0.1 mol/L sodium citrate - acetic acid buffer, pH 4.25
Flow rate: 0.75 mL/min
Detection: UV @ 260 nm
Temperature: 23 °C
Samples: nucleoside standards:
1. guanosine 2. cytidine 3. adenosine |