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| Brand | Wyatt |
|---|---|
| Origin | USA |
| Manufacturer | Wyatt Technology Corp. |
| Type | Asymmetric Flow FFF (AF4) |
| Model | Eclipse AF4 |
| Separation Range | 2 nm – 20 µm |
| Crossflow Rate | 0–8.3 mL/min (up to 10 mL/min total with detector flow) |
| Channel Pressure Limit | 30 bar (auto-shutdown at 33 bar) |
| Spacer Thickness Options | 125, 190, 250, 350, 490 µm |
| Membrane Cutoffs | Regenerated cellulose (10 kDa, 30 kDa) |
| pH Compatibility | 1–14 |
| Materials | PEEK base, aluminum housing with polycarbonate inner membrane, stainless steel frit, Buna-N O-rings (Kalrez® optional for organics) |
| Solvent Compatibility | Aqueous and organic (with glass membrane & Kalrez® seals) |
| Pressure Sensor Range | 0–100 bar |
| LiquiFlow Inlet Flow Measurement | 0–1 mL/min |
| LiquiFlow Crossflow Control/Measurement | 0–8.3 mL/min |
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