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| Brand | Microtrac |
|---|---|
| Origin | Germany |
| Model | NANOTRAC FLEX |
| Particle Size Range | 0.3 nm – 10 µm |
| Size Reproducibility | ≤1% RSD |
| Temperature Control Range | 10–35 °C |
| Temperature Stability | ±0.1 °C (with optional Peltier module) |
| Detection Method | Dynamic Light Backscattering (180° geometry) with full-range Mie theory-based data inversion |
| Sample Volume | as low as 2 µL |
| Sample Concentration Limit | up to 40 vol.% (non-dilutive measurement) |
| Zeta Potential Range | –3000 mV to +3000 mV (when coupled with STABINO ZETA) |
| Molecular Weight Estimation | via hydrodynamic diameter and Debye plot correlation |
| Optical Architecture | Fixed-focal-length fiber-optic probe with laser amplification detection |
| Data Processing Algorithm | Frequency Power Spectrum (FPS), not conventional Photon Correlation Spectroscopy (PCS) |
| Brand | Colloidal Dynamics |
|---|---|
| Origin | USA |
| Model | AcoustoSizer II |
| Particle Size Range | 10 nm – 100 µm |
| Zeta Potential Range | 0.5 nm – 30 µm |
| Temperature Control Range | 10–50 °C |
| Temperature Stability | ±0.1 °C |
| Ultrasonic Frequency Range | 1–20 MHz |
| Measurement Principle | Multi-frequency electroacoustic spectroscopy & ultrasonic attenuation spectroscopy |
| Sample Concentration Range | 0.1–40% v/v |
| Standard Sample Volume | 85 mL (optional 20 mL) |
| Measurement Time | Real-time, sub-second spectral acquisition per parameter |
| Brand | LS Instruments |
|---|---|
| Origin | Switzerland |
| Model | LS Spectrometer |
| Particle Size Range | 0.15 nm – 5 µm |
| Temperature Control | Up to 90 °C |
| Measurement Principles | Dynamic Light Scattering (DLS) and Static Light Scattering (SLS), upgradable to 3D and Modulated 3D techniques |
| Sample Volume | 50 µL – 4 mL |
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