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Tetrachloroethylene detection tube 133M Tetrachloroethylene
Tetrachloroethylene detection tube 133M Tetrachloroethylene, xylene gas detection tube 123L Xylene, water vapor detection tube 6LLP Water vapor, 1,1-d
Product details
四氯乙烯检测管133 MTetrachloroethylene
Tetrachloroethylene No.133M
Cl2C:CCl2
| Performance |
Measuring Range |
2 to 5 ppm |
5 to 100 ppm |
100 to 250 ppm |
Number of PumpStrokes |
2 |
1 |
1/2 |
Correction Factor |
0.4 |
1 |
2.5 |
Sampling Time |
1 minute per pumpstroke |
||
Detecting Limit |
0.4 ppm (n=2) |
||
Color Change |
Yellow → Reddishpurple |
||
Reaction Principle |
Cl2C:CCl2+ PbO2+ H2SO4→ HCl |
||
| Coefficient ofVariation | 10% (for5 to 20 ppm), 5% (for 20 to 100 ppm) | ||
| ShelfLife | 2Years | ||
| Correctionsfor temperature & humidity |
Temperature correction isnecessary | ||
| Store the tubes inthe refrigerator to keep at 10oC (50oF) orbelow. | |||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance |
Concentration |
Interference |
Change color by itself |
Nitric oxide,Nitrogen dioxide |
- | No effect |
Nodiscoloration |
Chlorine,Bromine, |
- | Plus error |
Produce reddishpurple |
Acetone |
200 ppm |
No effect |
Nodiscoloration |
Unsaturatedhalogenated HCs |
Plus error |
Produce reddishpurple |
|
Aromatichydrocarbons |
100 ppm |
Minus error |
Nodiscoloration |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 25ppm | 100ppm | - |
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