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| Brand | Synpec |
|---|---|
| Model | SP7210 |
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Measurement Principle | Potassium Permanganate Titrimetric Oxidation (COD<sub>Mn</sub>) |
| Measurement Range | 0–6 mg/L as O<sub>2</sub> |
| Repeatability | RSD ≤ 2.5% |
| Sample Capacity | 54 positions |
| Digestion Time | 30 min at boiling temperature (100 °C) |
| Digestion Mode | Automated water bath with constant temperature and liquid level control |
| Titration Delivery Precision | Adjustable single-dose volume from 0.01 to 0.07 mL |
| Titration Endpoint Detection | Colorimetric endpoint recognition |
| Sample Throughput | One sample per 5 minutes |
| Sample Introduction | Three-axis robotic arm (X/Y/Z) with basket-style tray loading |
| Reagent Delivery | High-accuracy peristaltic pump for KMnO<sub>4</sub>, H<sub>2</sub>SO<sub>4</sub>, and Na<sub>2</sub>OX solutions |
| Compliance | GB 11892–1989 |
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