Sonnen
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| Brand | Sonnen |
|---|---|
| Model | F22 |
| Application | Crude Fiber, Neutral Detergent Fiber (NDF), Acid Detergent Fiber (ADF), Acid Detergent Lignin (ADL), and Insoluble Dietary Fiber analysis |
| Principle | Standardized acid-base digestion (AOAC 978.10, AOAC 2002.04, ISO 13906, GB/T 6434–2022) |
| Filtration Technology | 25 µm pore-size filter bags (optional 15 µm or 10 µm) |
| Batch Capacity | 30 samples per run |
| Temperature Range | Ambient to 100 °C |
| Sample Mass per Bag | 0.1–5.0 g |
| Repeatability | ≤0.5% RSD |
| Temperature Control Accuracy | ±0.1 °C |
| Power Supply | AC 220 V / 50 Hz |
| Dimensions (W×D×H) | 373 × 500 × 450 mm |
| Weight | 25 kg |
| Safety | High-pressure sealed digestion chamber, no cooling water required, no glass components, operational in standard lab environment without fume hood |
| Brand | Sonnen |
|---|---|
| Origin | Shanghai, China |
| Model | K12 |
| Instrument Type | Kjeldahl Nitrogen Determinator |
| Automation Level | Fully Automated |
| Nitrogen Determination Range | 0.1–240 mg N per sample |
| Distillation Time (Ammonium Nitrogen) | 3–7 min/sample |
| Repeatability | ≤0.5% RSD |
| Sample Weight Capacity | ≤6 g (solid), ≤25 mL (liquid) |
| Recovery Rate | ≥99.5% |
| Linearity | RSD ≤1% over 1–3× nitrogen concentration range in digestion tube |
| Power Consumption | 1800 W |
| Dimensions (L×W×H) | 460 × 450 × 720 mm |
| Titration Resolution | 0.1 µL/step |
| Internal Data Storage | 1,000,000 test records |
| User-Defined Methods | 500 |
| Cooling Water Flow | 0.5 L/min (at 15 °C), 1.5 L/min (at 25 °C) |
| Compliance | ISO 9001 certified, CE marked |