四氯乙烯检测133D 133D
产品简介
四氯乙烯检测133D Tetrachloroethylene
产品详细信息
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 ****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 |
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 | - |