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| Brand | Horde Electric |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Flame AAS |
| Model | HD-AAS4H |
| Wavelength Range | 185–900 nm |
| Monochromator | Czerny-Turner enhanced optical system |
| Grating Density | 1800 lines/mm |
| Spectral Bandwidth | 0.2 / 0.4 / 1.0 / 2.0 nm (auto-switchable) |
| Wavelength Accuracy | ≤ ±0.1 nm |
| Wavelength Repeatability | ≤ ±0.025 nm |
| Resolution | 0.2 nm (Cu 324.7 nm, 0.2 nm bandwidth) |
| Baseline Drift | 0.003 ABS/30 min (static), 0.005 ABS/15 min (dynamic) |
| Detector | Hamamatsu photomultiplier tube |
| Background Correction | Deuterium lamp |
| Characteristic Concentration (Cu) | 0.025 µg/mL/1% |
| Detection Limit (Cu) | 0.006 µg/mL |
| Precision (RSD) | ≤ 0.5% |
| Atomizer | Titanium 0.5 mm × 100 mm burner head |
| Nebulizer | High-efficiency glass nebulizer with metal cap |
| Spray Chamber | Corrosion-resistant all-plastic chamber |
| Safety System | Real-time acetylene leak detection, flame-out monitoring, gas pressure interlock, automatic shutdown |
| Lamp System | Motorized turret for 4/6/8 lamp positions |
| Data Interface | RS232, USB |
| Software | Windows-compatible AAS control suite with dual-language UI (EN/CN), remote calibration support, GLP-compliant audit trail, multi-format export (CSV, PDF, Excel) |
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