四氯乙烯檢測管133D Tetrachloroethylene的詳細介紹
四氯乙烯檢測133D Tetrachloroethylene
Tetrachloroethylene 33D
Cl2C:CCl2
| Performance |
| Measuring Range | 3 to 150 ppm |
| Sampling Hours | 1 to 8 hours |
| Color Change | Yellow → Purple |
| Reaction Principle | Cl2CCl2+ PbO2 + H2SO4 → HCl |
| Coefficient ofVariation | 15%（for 25 to 50 ppm-hr）, 10% （for 50 to 150 ppm-hr） |
| ShelfLife | 1 Year |
| Correctionsfor temperature & humidity | Temperature correction isnecessary |
| Store the tubes inthe refrigerator to keep at 10ºC （50ºF） orbelow. | |
| Possible coexisting substances and theirinterferences | （NOTE） |
| Substance | Interference | Change color by itself |
| Hydrogen chloride,Chlorine | - | Purple |
| 1,2-Dichloroethylene,Trichloroethylene | + | Purple |
| Toluene, Xylene | No | No |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-S | Explosive range |
| 25 ppm | 100 ppm | - |
