Gastec 7L ホスフィンクイック測定検出器チューブ PH3（0.15〜5ppm）
メーカーGastec(このブランドの他の製品を見る)
Model7L
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安全なチェックアウト
高品質な対応
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配送対応可能
Indicator: 0.3 to 5 ppm
Measuring Range:
+ 0.15 to 0.3 ppm, Number of Pump Strokes 10
+0.3 to 5 ppm, Number of Pump Strokes 5
Sampling Time: 1 minute per pump stroke
Colour Change: Pale yellow → Purple
Reaction Principle: PH3 + Gold- compound → Colloidal gold
Coefficient of Variation: 10% (for 0.3 to 1 ppm), 5% (for 1 to 5 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 minute per pump stroke | ||
| Detecting Limit | 0.04 ppm (n = 10) | ||
| Colour Change | Pale yellow → Purple | ||
| Reaction Principle | PH3 + Gold- compound → Colloidal gold | ||
| Coefficient of Variation | 10% (for 0.3 to 1 ppm), 5% (for 1 to 5 ppm) | ||
| Shelf Life | 3 Years | ||
| Corrections for temperature & humidity | Unnecessary | ||
| Store the tubes at cool and dark place. | |||
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Arsine | + | Purple | |
| Germane | + | Purple | |
| Hydrogen selenide | + | Purple | |
| Hydrogen sulphide | + | Purple |
| Calibration gas generation | High pressure gas cylinder method |
| TLV-TWA | TLV-STEL | Explosive range |
| 0.3 ppm | 1 ppm |
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