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氯化氢气体检测管14L Hydrogen chloride HCl，Measuring Range 0.2 to 1 ppm 1 to 20 ppm 20 to 76 ppm Number of Pump Strokes 2 to 5 1 1/2 Correction Factor 1/2 to 1/5 1 3.8 Sampling Time 1 minute，氯化氢气体检测管价格
详情介绍：
氯化氢气体检测管14L Hydrogen chloride
Hydrogen chloride No.14L
HCl
| Performance |
Measuring Range | 0.2 to 1 ppm | 1 to 20 ppm | 20 to 76 ppm |
Number of Pump Strokes | 2 to 5 | 1 | 1/2 |
Correction Factor | 1/2 to 1/5 | 1 | 3.8 |
Sampling Time | 1 minute per pump stroke | ||
Detecting Limit | 0.05 ppm (n=5) | ||
Color Change | Yellow → Pink | ||
Reaction Principle | Hydrogen chloride reacts with indicator to produce pink stain. | ||
| Coefficient of Variation | 10% (for 1 to 5 ppm), 5% (for 5 to 20 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 color by itself |
Chlorine | 1/2 | Plus error | Produces pink stain |
Nitric Acid | 1/10 | Plus error | Produces pink stain |
Sulfur dioxide | 10 times | Plus error | Produces pink stain |
Nitrogen dioxide | 5 times | Plus error | Produces pink stain |
| Other substance measurable with this detector tube |
| Calibration gas generation | High pressure gas cylinder method | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | C 2ppm | - |