Beifen Ruili
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| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | WQF-520A |
| Instrument Type | Laboratory FTIR Spectrometer |
| Wavenumber Range | 7800–350 cm⁻¹ |
| Spectral Resolution | Better than 0.5 cm⁻¹ |
| Scan Velocity | 2 mm/s (optical path difference rate) |
| Signal-to-Noise Ratio | >15,000:1 (at 4 cm⁻¹, 1 min scan, peak-to-peak) |
| Dimensions | 540 × 515 × 260 mm |
| Weight | 28 kg |
| Interface | USB 2.0 |
| Light Source | High-intensity air-cooled infrared source with spherical reflector |
| Detector | Standard DTGS or optional MCT (configurable) |
| Environmental Protection | Hermetically sealed Michelson interferometer with desiccant-view window |
| Software Platform | Windows-based native Chinese GUI with spectral library management, quantitative analysis, and GLP-compliant reporting modules |
| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | WQF-530A |
| Instrument Type | Laboratory FTIR Spectrometer |
| Wavenumber Range | 350–7800 cm⁻¹ |
| Resolution | <0.85 cm⁻¹ (upgradable to ≤0.4 cm⁻¹) |
| Signal-to-Noise Ratio (S/N) | >20,000:1 (upgradable to 55,000:1) |
| Wavenumber Accuracy | <0.1 cm⁻¹ |
| Detector | DLATGS (Deuterated Triglycine Sulfate) with Temperature Stabilization |
| Scan Speed | Microprocessor-controlled, user-selectable |
| Data Interface | Ethernet (RJ-45), USB 2.0 |
| Software Compliance | 21 CFR Part 11-ready audit trail, electronic signature support |
| Operating System Compatibility | Windows 10/11 (64-bit) |
| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | WFX-320 |
| Instrument Type | Flame AAS |
| Monochromator | Plane Grating |
| Optical System | Single-beam |
| Detector | Photomultiplier Tube (PMT) |
| Resolution | Resolves Mn 279.5 nm and 279.8 nm doublet with valley energy <36% |
| Sensitivity | Cu 0.04 µg/mL per 1% absorption |
| Repeatability (RSD) | ≤0.9% (flame mode) |
| Detection Limit | Cu 0.007 µg/mL (flame mode) |
| Optional Accessory | Hydride Generation System |