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数量割引、まとめ買い価格の更新、新製品情報をメールでお届けします。
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Indicator: 0.2~1.5ppm
Measuring Range:
+ 0.04 to 0.1 ppm, Number of Pump Strokes 10
+ 0.1 to 1.5 ppm, Number of Pump Strokes 5
+ 1.5 to 2.4 ppm, Number of Pump Strokes 3
+ 2.4 to 10 ppm, Number of Pump Strokes 1
Sampling Time: 1.5 minute per pump stroke
Colour Change: Yellow → Red
Reaction Principle: AsH3 + 3HgCl2 → As(HgCl)3 + 3HCl, HCl + Basic compound → chloride compounds
Coefficient of Variation: 10% (for 0.1 to 0.5 ppm), 5% (for 0.5 to 1.5 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
| 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 | 0.02 ppm (n=10) | ||||
| Colour Change | Yellow → Red | ||||
| Reaction Principle | Arsine react with mercuric chloride to produce hydrogen chloride. The indicator of the tube turns to red. AsH3 + 3HgCl2 → As(HgCl)3 + 3HCl HCl + Basic compound → chloride compounds |
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| Coefficient of Variation | 10% (for 0.1 to 0.5 ppm), 5% (for 0.5 to 1.5 ppm) | ||||
| Shelf Life | 2 Years | ||||
| Corrections for temperature & humidity | Unnecessary | ||||
| Store the tubes at cool and dark place. | |||||
| Substance | Concentration | Interference | Change colour by itself to |
| Hydrogen chloride | No | No | |
| Diborane | No | No | |
| Phosphine | 1/10 time | + | Red |
| Calibration gas generation | High pressure gas cylinder method |
| TLV-TWA | TLV-STEL | Explosive range |
| 0.005 ppm (2014) | - | - |
