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| Brand | Kechuang |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | HL-800 |
| Instrument Type | Laboratory Benchtop GC System |
| Detection Principle | Gas Chromatography–Flame Photometric Detection (GC-FPD) for Sulfur-Selective Quantification |
| Target Analytes | H₂S, Methanethiol (CH₃SH), Dimethyl Sulfide (DMS), Dimethyl Disulfide (DMDS) |
| Detection Range | 0.1–10 ppm (as sulfur) |
| Column Oven Temperature Program | 100 °C (1 min), then ramp at 5 °C/min to 240 °C |
| Typical Retention Times (H₂S, CH₃SH, DMS, DMDS) | 1.12–1.13 min, 2.72–2.73 min, 6.08–6.10 min, 16.58–16.60 min |
| Detector | Dual-Channel FPD with S-Mode optimization |
| Data Output | Peak Area, Peak Height, Retention Time, Calculated Concentration (ppm) |
| Compliance Framework | Designed for ASTM D5504, ISO 8573-5, and EPA Method 16, supporting GLP-compliant data integrity workflows |
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