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盐酸检测管14M HCl Hydrogen chloride，Measuring Range 10 to 20 ppm 20 to 500 ppm 500 to 1000 ppm Number of Pump Strokes 2 1 1/2 Correction Factor 1/2 1 2 Sampling Time 1 minute，盐酸检测管价格，盐酸检测管14M HCl
详情介绍：
盐酸检测管14M HCl Hydrogen chloride
Hydrogen chloride No.14M
HCl
| Performance |
Measuring Range | 10 to 20 ppm | 20 to 500 ppm | 500 to 1000 ppm |
Number of Pump Strokes | 2 | 1 | 1/2 |
Correction Factor | 1/2 | 1 | 2 |
Sampling Time | 1 minute per pump stroke | ||
Detecting Limit | 2.5 ppm (n=2) | ||
Color Change | Yellow → Red | ||
Reaction Principle | Hydrogen chloride reacts with indicator to produce red stain. | ||
| Coefficient of Variation | 10% (for 20 to 100 ppm), 5% (for 100 to 500 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 |
Hydrogen fluoride | 600 ppm | Plus error | Produces red stain |
Nitric Acid | 1/10 time | Plus error | Produces red stain |
Nitrogen dioxide | 1/2 time | Plus error. | Produces red stain |
500 ppm)| Other substance measurable with this detector tube |
| Calibration gas generation | High pressure gas cylinder method | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | C 5ppm | - |