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| Brand | ENTECH |
|---|---|
| Model | 7200H+4700H |
| Detection Limit | Sub-ppt (parts-per-quadrillion) for Sulfur Compounds, Formaldehyde, and Halogenated Organics |
| Cryogenic Trap | Liquid Nitrogen–Cooled Single-Stage Fused-Silica Cold Trap |
| Sample Introduction | Electronic Volume Control (EVC) with Matrix-Independent Quantitation |
| Sample Line Treatment | Deactivated Fused-Silica Tubing (SilcoNert® or Equivalent) |
| Compliance | ASTM D7652, GB/T 37244–2018, GB/T 44243–2024, T/CECA-G 0180–2022 |
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