- 面议
起订量：
80 酸性气体检测管80 Acid gases
- 型号
- 80
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详细信息
酸性气体检测管80 Acid gases
的详细介绍
酸性气体检测管80 Acid gases
Acid gases No.80
| Performance | （Acetic acid） |
| Measuring Range | 1 to 2 ppm | 2 to 40 ppm | 40 to 80 ppm |
| Number of Pump Strokes | 4 | 2 | 1 |
| Correction Factor | 1/2 | 1 | 2 |
| Sampling Time | 45 seconds per pumpstroke | ||
| Detecting Limit | 0.5 ppm （n=4） | ||
| Color Change | Palereddish purple → Pale Yellow | ||
| Reaction Principle | Acid gases react withdetecting layer to produce yellow stain. | ||
| Coefficient ofVariation | 10% （for2 to 40 ppm） | ||
| ShelfLife | 2Years | ||
| Correctionsfor temperature & humidity | Unnecessary | ||
| Store the tubes in dark and coolplace | |||
| Possible coexisting substances and theirinterferences | （NOTE） |
| Substance | Correction | Pump | Color Change | Measuring range |
| Hydrogen chloride | 4 | 2 | Pale reddishpurple | 4 to 320 ppm |
| Chlorine | 0.35 | 2 | White | 0.35 to 28 ppm |
| Nitric acid | 2.5 | 2 | Pale reddishpurple | 2.5 to 200 ppm |
| Sulfur dioxide | 0.75 | 2 | Yellow | 0.75 to 60 ppm |
| Nitrogen dioxide | 0.1 | 2 | Pinkish gray | 0.1 to 80 ppm |
| Iodine | 0.06 | 2 | Light bluishgray | 0.06 to 48ppm |
| Othersubstance measurable with this detector tube |
| Substance | Correction Factor | Pump Strokes | Measuring Range |
| Acetylene | 1.5 | 1/2, 1, 2 | 0.075 to 3.6% |
| Butane, Heptane,Isobutane | 0.7 | 1/2, 1, 2 | 0.035 to 1.68% |
| Ethylene | 7.0 | 1/2, 1, 2 | 0.35 to 16.8% |
| Hexane | 0.5 | 1/2, 1, 2 | 0.025 to 1.2% |
| Isopentane | 0.9 | 1/2, 1, 2 | 0.045 to 2.16% |
| Pentane | 0.75 | 1/2, 1, 2 | 0.0375 to 1.8% |
| Propane | 1.0 | 1/2, 1, 2 | 0.05 to2.4% |
