Gastec 154 Quick-measuring Detector tubes Cyclohexanone (C6H10O 154 (2~75ppm))
メーカーGastec(このブランドの他の製品を見る)
Model154
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Indicator: 2 to 30 ppm
Measuring Range:
+ 2 to 30 ppm, Number of Pump Strokes 4
+ 30 to 75 ppm, Number of Pump Strokes 2
Sampling Time: 3 minutes per pump stroke
Colour Change: Pale Yellow → Yellow
Coefficient of Variation: 10% (for 2 to 10 ppm), 5% (for 10 to 30 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 | 3 minutes per pump stroke | ||
| Detecting Limit | 0.2 ppm (n=4) | ||
| Colour Change | Pale Yellow → Yellow | ||
| Reaction Principle | Cyclohexanone reacts with 2,4-dinitrophenylhydrazine to form dinitropnenylhydrazone to produce yellow in colour. | ||
| Coefficient of Variation | 10% (for 2 to 10 ppm), 5% (for 10 to 30 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 |
| Ketones | + | Yellow |
Other substance measurable with this detector tube
| Substance | Correction Factor | No. of pump strokes | Measuring Range |
| Furfural | 1.0 | 4 | 2 to 30 ppm |
| Diacetone alcohol | by scale | 2 | 2.5 to 100 ppm |
| Isophorone | 1.0 | 8 | 2 to 30 ppm |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 20ppm(2014) | 50ppm(2014) | 1.1 to 9.4% |
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