- Measurement Range: 0.3-10000 nm; -500mV to +500mV
- Concentration Range: 0.1 mg/mL-100 mg/mL (sample dependent)
- Electrophoretic Mobility Range: > ±20 μm·cm/(V·s)
- High-performance PMTs ensure a high SNR for photon signals
Zeta Potential and Nano Particle Size Analyzer, PSA-LS901
Beschreibung
Applications
This product integrates zeta potential analysis and nanoparticle size testing. It is suitable for measuring the particle size and surface potential of various nanoemulsions, suspension colloids and other samples. It can be widely applied to nanomaterials in the fine chemical industry, as well as the R&D and production quality control of surfactants, oligomers and other materials. It also serves as a testing instrument for product development and quality control in industries such as inks and pharmaceutical preparations.
Features
- Ultra-high-speed Data Acquisition
The core component of the instrument is the HA1024 digital correlator, which performs real-time acquisition of electrophoretic scattered light intensity and calculates the autocorrelation function; This accurately reflects the electrophoretic velocity of the particles, ensuring highly accurate Zeta potential measurements.
- High Sensitivity and High Signal-to-Noise Ratio
Using professional-grade, high-performance photomultiplier tubes, the instrument delivers extremely high sensitivity and signal-to-noise ratio for photon signals.
- High-Precision Constant Temperature Control
Using semiconductor temperature control technology, the instrument achieves temperature control accuracy up to 0.1 °C. This ensures that the sample remains at a constant temperature throughout the measurement process, preventing measurement deviations caused by temperature-induced changes in liquid viscosity and Brownian motion, thereby ensuring the accuracy and stability of the test results.
- Stable Optical Path System
The optical path system constructed with the optical frequency shifting device and optical fiber coupling technology makes the detection system not only small in size but also strong in anti-interference capability, thus ensuring test stability.
Specifications
| Model | PSA-LS901 | |||
| Measurement Range | 0.3-10000nm (sample dependent) | -500mV to +500mV | ||
| Concentration Range | 0.1 mg/mL-100 mg/mL (sample dependent) | |||
| Electrophoretic Mobility Range | > ±20 μm·cm/(V·s) | |||
| Maximum Conductivity | 200 mS/cm (sample dependent) | |||
| Accuracy Error | <1% (National standard sample D50 value) | <15% (Standard sample) | ||
| Repeatability Error | <1% (National standard sample D50 value) | <15%(Standard sample) | ||
| Laser Source | Semiconductor laser, λ = 635 nm, P = 1- 40 mW (adjustable) | |||
| Detector | Photomultiplier tube | |||
| Scattering Angle | 90° | 18° | ||
| Sample Cell Volume | 10 mm*10 mm*40 mm, 1-4mL | 10 mm*10 mm*60 mm, 1mL | ||
| Temperature Control Range | 5-90 °C | |||
| Temperature Control Accuracy | ±0.1℃ | |||
| Test Speed | <5 min | |||
| Measured Parameters | Nanoparticle size distribution, Zeta potential | |||
| Digital Correlator | Model | HA1024 | HA1024 | |
| Auto-correlation Channels | 892 | 892 | ||
| Baseline Channels | 4 | — | ||
| Physical Channels | 5000 | — | ||
| Unit Delay Time | 1µs-10ms (adjustable) | 1µs-10ms (adjustable) | ||
| External Dimensions | 560 mm*450 mm*300 mm | |||
| Net Weight | 20kg | |||
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