Indicator: 10 ~ 100 ppm
Measuring Range: 1 ~ 100 ppm
Sampling Hours: 1~10 hours
Colour Change: Yellow → Purple
Reaction Principle: HCl + Base → Chloride
Coefficient of Variation: 10% (for 10 to 100 ppm-hr)
Nr. of tests: 10
Performance
| Measuring Range | 1 to 100 ppm |
| Sampling Hours | 1 to 10 hours |
| Detecting Limit | 0.5 ppm (10 hours) |
| Colour Change | Yellow → Purple |
| Reaction Principle | HCl + Base → Chloride |
| Coefficient of Variation | 10% (for 10 to 100 ppm-hr) |
| Shelf Life | 3 Years |
| Corrections for temperature & humidity | Temperature correction is necessary Humidity correction is necessary |
| Store the tubes at cool and dark place. | |
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Chlorine | ≧ 1/5 | + | Bleaches zero zone |
| Nitric acid | ≧ 1/5 | + | Purple |
| Hydrogen fluoride | ≧ 1/1 | + | Purple |
Other substance measurable with this detector tube
| Substance | Correction Factor | Measuring Range |
| Nitric acid | 0.8 | 0.8 to 80 ppm |
| Hydrogen fluoride | 2.5 | 2.5 to 250 ppm |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| - | C 2 ppm | - |
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