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| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | WFX220 |
| Instrument Type | Flame and Graphite Furnace AAS |
| Monochromator | Plane Grating |
| Optical System | Single-Beam |
| Detector | Photomultiplier Tube (PMT) |
| Background Correction | Automatic Deuterium Lamp Background Correction |
| Spectral Resolution | 0.2 nm |
| Sensitivity | ≤0.03 µg/mL for Cu (Flame), ≤0.4 pg for Cd (Graphite Furnace) |
| Relative Standard Deviation (RSD) | ≤0.5% |
| Detection Limit | ≤0.003 µg/mL for Cu (Flame), ≤0.4 pg for Cd (Graphite Furnace) |
| Baseline Stability | ≤0.003 µg/mL (Flame Cu), ≤0.4 pg (Graphite Furnace Cd) |
| Brand | Shimadzu |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (PRC) |
| Model | UV-2600i |
| Optical System | Single Monochromator |
| Detector Type | Photodiode Array (PDA) |
| Wavelength Range | 185–1400 nm |
| Wavelength Accuracy | ±0.1 nm |
| Wavelength Repeatability | ±0.1 nm |
| Spectral Bandwidth | 0.1–5.0 nm (variable) |
| Stray Light | < 0.00002% T (at 220 nm and 340 nm) |
| Automation Level | Motorized Wavelength Scanning |
| Standard Software | LabSolutions UV-Vis |
| Hardware Validation Module | Included |
| Dimensions (W × D × H) | 450 × 540 × 260 mm |
| Power Consumption | Reduced by 10% vs. previous Shimadzu UV models |
| Brand | Beifen Ruili |
|---|---|
| Origin | Beijing, China |
| Model | WQF-530 |
| Instrument Type | Laboratory FTIR Spectrometer |
| Wavenumber Range | 350–7800 cm⁻¹ |
| Spectral Resolution | < 0.85 cm⁻¹ |
| Signal-to-Noise Ratio (S/N) | > 20,000:1 (at 2100–2200 cm⁻¹, 100% line) |
| Wavenumber Accuracy | < 0.85 cm⁻¹ |
| Detector | DLATGS (Deuterated Triglycine Sulfate) with Temperature Stabilization |
| Scan Speed | Microprocessor-controlled, adjustable |
| Data Interface | Ethernet (RJ-45), USB 2.0 |
| Software | MainFTOS Suite v3.x |
| Regulatory Compliance | 21 CFR Part 11 compliant (audit trail, electronic signature, user access control), GLP/GMP-ready |
| Brand | Beifen Ruili |
|---|---|
| Origin | Guangdong, China |
| Model | UV1801 |
| Optical System | Single-beam |
| Detector | Photodiode Array |
| Wavelength Range | 190–1100 nm |
| Wavelength Accuracy | ±0.5 nm |
| Wavelength Repeatability | ±0.5 nm |
| Spectral Bandwidth | 1.0, 2.0, or 5.0 nm (user-selectable) |
| Stray Light | ≤0.05% T (at 220 nm with NaI solution |
| Display | 6-inch high-brightness blue LCD |
| Light Sources | Imported deuterium lamp and tungsten-halogen lamp |
| Power Supply | AC 220 V/50 Hz or 110 V/60 Hz |
| Power Consumption | 140 W |
| Dimensions (W×D×H) | 530 × 420 × 205 mm |
| Net Weight | 18 kg |
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