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| Brand | Bettersize |
|---|---|
| Origin | Liaoning, China |
| Model | BeNano 90 Zeta |
| Particle Size Range (DLS) | 0.3 nm – 15 μm |
| Zeta Potential Range | No Practical Limitation |
| Electrophoretic Mobility Range | > ±20 μm·cm/V·s |
| Conductivity Range | Up to 260 mS/cm |
| pH Range | 2–12 (compatible with aqueous & low-ionic-strength media) |
| Temperature Control Range | −10 °C to +110 °C |
| Temperature Accuracy | ±0.1 °C |
| Sample Volume (DLS mode) | 3 µL (capillary cell) / 0.75 mL (standard cuvette) |
| Detection Angles | 90° (size), 12° (zeta) |
| Laser Source | 50 mW solid-state laser, 671 nm |
| Detector | APD (Avalanche Photodiode) |
| Correlator | 4000-channel digital correlator, 10¹¹ dynamic linear range |
| Optical Path Stability | Passive thermal stabilization, no daily alignment required |
| Data Output | Hydrodynamic diameter (Dₕ), polydispersity index (PDI), zeta potential distribution, electrophoretic mobility, diffusion coefficient (D), intensity/volume/number-weighted size distributions |
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