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| Brand | Kaiyuanhongsheng |
|---|---|
| Origin | Hunan, China |
| Model | TN3000 |
| Principle | Dumas combustion method |
| Nitrogen range | 0.1–200 mg N |
| Sample mass | 0.01–0.5 g |
| Repeatability | RSD ≤ 0.5% at 10 mg N |
| Recovery rate | ≥ 99.5% |
| Power consumption | ≤ 3000 W |
| Dimensions (L×W×H) | 500 × 465 × 485 mm |
| Sample capacity | 120-position auto-sampler |
| Analysis time per sample | ≤ 3 min |
| Carrier gas | CO₂ (≥99.99%) |
| Oxidant | O₂ (≥99.99%) |
| Reduction medium | High-efficiency Cu furnace (≥5000 cycles) |
| Gas sampling | Six-way valve quantitative injection |
| Leak detection | Automatic & manual modes |
| Gas flow & pressure monitoring | Real-time display |
| Brand | Kaiyuanhongsheng |
|---|---|
| Origin | Hunan, China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Benchtop Laboratory Analyzer |
| Principle | Cold Vapor Atomic Absorption Spectrometry (CVAAS) with Thermal Decomposition |
| Detection Limit | 0.001 ng |
| Repeatability | RSD ≤ 1% at 1 ng |
| Linearity Error | ±3% across calibration range |
| Measurement Range | 0.005–1500 ng Hg per sample |
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