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| Brand | Tekmar |
|---|---|
| Origin | USA |
| Model | Fusion |
| Instrument Type | Laboratory TOC Analyzer |
| Detection Principle | Non-Dispersive Infrared (NDIR) Absorption |
| Oxidation Method | UV Light + Sodium Persulfate |
| Measurement Range | 0.2 ppb C to 4,000 ppm C |
| Accuracy | ±1% |
| Detection Limit | 0.2 ppb C |
| Precision (RSD) | ≤1% |
| Regulatory Compliance | EPA Methods 415.1–415.3, 9060A |
| Brand | ERALYTICS |
|---|---|
| Origin | Austria |
| Model | ERACHECK ECO/PRO |
| Instrument Type | Portable |
| Measurement Principle | Quantum Cascade Laser Infrared (QCL-IR) Spectrophotometry |
| Measurement Range | Water: 0.1–2000 ppm (PRO), 0.5–1000 ppm (ECO) |
| Soil | 7–72,000 mg/kg (PRO), 18–36,000 mg/kg (ECO) |
| Detection Limit | 0.1 ppm (water), 7 mg/kg (soil) |
| Accuracy | ±0.1% of reading |
| Resolution | 0.01 ppm (water) |
| Repeatability | <0.1 ppm (PRO), <0.5 ppm (ECO) |
| Analysis Time | 2 min (PRO), 5 min (ECO) |
| Extraction Solvent | Cyclohexane |
| Compliance | ASTM D7678, D7066, EPA Method 418.1, DIN 38409-H18, ISO 9377-2, EPA 1664 |
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