On-line Differential Refractometers for HPLC and UHPLC
Feature Comparison
Capabilities | Optilab | Optilab HC | Optilab UT-rEX |
Differential Refractive Index | |||
Range | -0.0047 – +0.0047 RIU | -0.0026 – +0.034 RIU | -0.0047 – +0.0047 RIU |
Peak-to-Peak Noise | ± 7.5 x 10-10 RIU | ± 1.5 x 10-9 RIU | ± 1.5 x 10-9 RIU |
Dynamic Range | 12,000,000:1 | 23,000,000:1 | 6,000,000:1 |
Acquisition Period | 0.1 – 5 seconds/sample | 0.1 – 5 seconds/sample | 0.04 – 5 seconds/sample |
Absolute Refractive Index | |||
Range | 1.2 – 1.8 RIU | 1.2 – 1.8 RIU | 1.2 – 1.8 RIU |
Sensitivity | ± 0.002 RIU | ± 0.002 RIU | ± 0.002 RIU |
Fluidics | |||
Band Broadening | < 20 µL | < 20 µL | < 4 µL |
Flow Cell & Inlet Tubing Volume | 51.4 µL | 51.4 µL | 13.9 µL |
Sample Temperature | 4°C – 65°C | 4°C – 65°C | 4°C – 65°C |