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四氯乙烯检测133D Tetrachloroethylene
简单介绍
四氯乙烯检测133D Tetrachloroethylene，四氯乙烯检测管133D Tetrachloroethylene Cl2C:CCl2，Measuring Range 3 to 150 ppm Sampling Hours 1 to 8 hours Color Change，四氯乙烯气体检测管价格
四氯乙烯检测133D Tetrachloroethylene的详细介绍
四氯乙烯检测133D Tetrachloroethylene
Tetrachloroethylene No.133D
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-STEL | Explosive range |
| 25 ppm | 100 ppm | - |