Chlorobenzene |
NO.126L |
![]() |
| Measuring Range |
|
||
| Number of Pump Strokes |
|
||
| Correction Factor |
|
||
| Sampling Time | 1.5 minutes per pump stroke | ||
| Detecting Limit | 0.2 ppm (n=3) | ||
| Colour Change | Yellow → Pale purple | ||
| Reaction Principle | C6H5Cl+ PbO2 + H2SO4 → HCl HCl + Base → Chloride |
||
| Coefficient of Variation | 10% (for 0.5 to 2 ppm), 5% (for 4 to 10 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. | |||
| Substance | Concentration | Interference | Change colour by itself to |
| Chlorine, Hydrogen chloride, Trichloroethylene, Tetrachloroethylene | + | Pale purple |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 10 ppm | - | 1.3 to 9.6% |