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Analytical parameters and characteristics of asymmetric flow field flow fractionation (AF4).
| AF4 Parameters | AF2000 System |
|---|---|
| Membranes | CR, PAN, PVDF |
| Channel geometry | Trapezoidal |
| Spacer thickness | 350 µm |
| Focusing time | 4 min |
| Elution time | 40 min |
| Detector flow | 0.5 mL/min |
| Injection flow | 0.2 mL/min |
| Cross flow | 1 mL/min |
| UV-Vis | 254 nm |
