Gastec 126L 速い検出チューブクロロベンゼン C6H5Cl (0.5~43ppm)
メーカーGastec(このブランドの他の製品を見る)
Model126L
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Indicator: 1 to 10 ppm
Measuring Range:
+ 0.5 to 10 ppm, Number of Pump Strokes 3
+ 10 to 43 ppm, Number of Pump Strokes 1
Sampling Time: 1.5 minute per pump stroke
Colour Change: Yellow → Pale bluish purple
Reaction Principle: C6H5Cl+ PbO2 + H2SO4 → HCl, HCl + Base → Chloride
Coefficient of Variation: 10% (for 0.5 to 2 ppm), 5% (for 2 to 10 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Performance
| Measuring Range |
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| Number of Pump Strokes |
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| Correction Factor |
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| Sampling Time | 1.5 minutes per pump stroke | ||
| Detecting Limit | 0.2 ppm (n=3) | ||
| Colour Change | Yellow → Pale bluish purple | ||
| Reaction Principle | C6H5Cl+ PbO2 + H2SO4 → HCl HCl + Base → Chloride |
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| Coefficient of Variation | 10% (for 0.5 to 2 ppm), 5% (for 2 to 10 ppm) | ||
| Shelf Life | 2 Years | ||
| Corrections for temperature & humidity | Temperature correction is necessary | ||
| Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below. | |||
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Chlorine, Hydrogen chloride, Trichloroethylene, Tetrachloroethylene | + | Pale bluish purple |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 10 ppm (2014) | - | 1.3 to 9.6% |
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