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| Brand | BEIYU TECHNOLOGIES |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory Benchtop Analyzer |
| Model | GMA3386M |
| Measurement Principle | Gas-Phase Molecular Absorption Spectrometry (GPMAS) coupled with standardized chemical oxidation and stoichiometric quantification |
| Measurement Range | < 5.0 mg/L (as KMnO₄) |
| Detection Limit | 0.08 mg/L |
| Accuracy | ±3% RSD |
| Analysis Time per Sample | 1–4 min |
| Batch Capacity | 30 samples |
| Wavelength Accuracy | ±0.2 nm |
| Wavelength Repeatability | ±0.1 nm |
| Temperature Control Precision | ±0.1 °C |
| Baseline Drift | 0.0002 A |
| Baseline Noise | 0.0001 A |
| Injection Flow Accuracy | ±0.1% |
| Compliance | GB 11892–1989, HJ/T 197–2005 |
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