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| Brand | Bohui Innovation |
|---|---|
| Origin | Beijing, China |
| Model | BH2200S |
| Analysis Method | Graphite Furnace Atomic Absorption Spectrometry (GFAAS) |
| Wavelength Range | 190–650 nm |
| Spectral Bandwidth | 0.10–2.0 nm |
| Absorbance Range | 0–2 Abs |
| Baseline Stability | ≤0.009 Abs/20 min (after 30-min warm-up) |
| Detection Sensitivity | Pb > 0.055 Abs, Cd > 0.025 Abs (≤50 µL injection) |
| Precision | ≤2.9% RSD (Abs > 0.1) |
| Background Correction Capacity | >30× at ~1.0 Abs |
| Signal Measurement | Dual-channel simultaneous detection |
| Power Supply | AC 220 V, 50 Hz |
| Operating Temperature | 10–30 °C |
| Atmospheric Pressure | 0.070–0.106 MPa |
| Dimensions (Main Unit) | 782 × 560 × 338 mm |
| Dimensions (Graphite Furnace Power Supply) | 335 × 470 × 265 mm |
| Brand | Bohui Innovation |
|---|---|
| Origin | Beijing, China |
| Model | BH2101S |
| Analytical Method | Tungsten-Boat Electrothermal Atomic Absorption Spectrometry (ETAAS) |
| Wavelength Range | 190–650 nm |
| Spectral Bandwidth | 1.0–2.0 nm |
| Absorbance Range | 0–2 Abs |
| Baseline Stability | ≤0.009 Abs/20 min (Pb & Cd, after 30-min preheating) |
| Sensitivity | Pb >0.055 Abs, Cd >0.025 Abs (≤50 µL sample) |
| Precision | ≤4.5% RSD (Abs >0.1) |
| Background Correction | Self-reversal (self-absorption) method |
| Measurement Mode | Dual-channel simultaneous detection (Pb & Cd) |
| Power Supply | AC 220 V, 50 Hz, 600 VA |
| Dimensions | 780 × 560 × 470 mm (L×W×H) |
| Weight | 45 kg |
| Operating Environment | 10–30 °C, 0.070–0.106 MPa, vibration-free, non-corrosive, low-EMI |
| Brand | Bohui Innovation |
|---|---|
| Origin | Beijing, China |
| Model | BH2100T |
| Absorbance Range | 0–2 Abs |
| Wavelength Range | 190–650 nm |
| Baseline Stability | ≤0.009 A (after 30-min preheat, 20-min measurement) |
| Sensitivity (Pb) | ≥0.055 Abs at ≤50 µL |
| Sensitivity (Cd) | ≥0.025 Abs at ≤50 µL |
| Precision (Pb/Cd) | ≤4.5% (Abs > 0.1) |
| Background Correction Capacity | >30× at ~1.0 Abs background |
| Measurement Mode | Dual-channel simultaneous detection |
| Power Input | 500 VA, AC 220 V ±10%, 50 Hz ±1 Hz |
| Dimensions | 782 × 560 × 338 mm |
| Operating Environment | 10–30 °C, 0.070–0.106 MPa, vibration-free, non-corrosive, low-EMI |
| Brand | Bohui Innovation |
|---|---|
| Origin | Beijing, China |
| Model | BH2100S |
| Atomization Method | Tungsten-Boat Electrothermal AAS |
| Wavelength Range | 190–650 nm |
| Absorbance Range | 0–2 Abs |
| Baseline Stability (30 min preheat, 20 min measurement) | ≤0.009 A |
| Pb/Cd Sensitivity (≤50 µL) | ≥0.055 Abs (Pb), ≥0.025 Abs (Cd) |
| Precision (Abs > 0.1) | ≤4.5% (manual), <1% (with autosampler) |
| Background Correction Capacity | >30× at ~1.0 Abs |
| Power Input | 220 V ± 22 V, 50 Hz ± 1 Hz, 500 VA |
| Dimensions | 782 × 560 × 338 mm |
| Operating Environment | 10–30 °C, 0.070–0.106 MPa, vibration- and corrosion-free |
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