Gastec 231検出チューブガススルフリルフルオリド SO2F2 (1 ~ 20 ppm, Pyrotec Pyrolyzer 860)
メーカーGastec(このブランドの他の製品を見る)
Model231
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安全なチェックアウト
高品質な対応
簡単な交換・返品
配送対応可能
Indicator: 1 ~ 20 ppm
Measuring Range: 1 ~ 20 ppm
Sampling Time: 2 minute per pump stroke
Colour Change: Bluish purple→White
Reaction principle: SO2F2 → SO2, SO2 + l2 + H2O → HI + H2SO4
Nr. of tests: 4 tubes
Gas Sampler pump: GV-100S, GV-110S, Pyrotec Pyrolyzer 860
Performance
| Measuring Range | 1 to 20 ppm |
| Number of Pump Strokes | 3 |
| Correction Factor | 1 |
| Sampling Time | 2 minutes per pump stroke |
| Detecting Limit | 0.4 (n=3) |
| Colour Change | Bluish purple→White |
| Reaction Principle | SO2F2 → SO2 SO2 + l2 + H2O → HI + H2SO4 |
| Coefficient of Variation | 10% (for 1 to 20ppm) |
| Shelf Life | 2 Years |
| Corrections for temperature & humidity | Temperature correction is necessary |
| Store the tubes at cool and dark place. | |
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Sulphur Dioxide | ≧0.04 ppm | + | White at 0.05 ppm |
| Carbon Dioxide | ≦5 % | No | No |
| Chloropicrin(CP) | ≦50ppm | No | No ( 50ppm) |
| Methyl Isothiocyanate(MITC) | ≦50ppm | No | No (50ppm) |
| Low Oxygen environment | + | No |
| Calibration gas generation | Vaper pressure method |
| TLV-TWA | TLV-STEL | Explosive range |
| 5ppm(2014) | 10ppm(2014) | -- |
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