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Trichloroethylene detection tube 132M Trichloroethylene
三氯乙烯检测管132M Trichloroethylene,Measuring Range 2 to 5ppm 5 to 100ppm 100 to 250ppm Number of Pump Strokes 2 1 1/2 Correction Factor 0.4 1 2.5 Sampling
Product details
三氯乙烯检测管132 M Trichloroethylene
Trichloroethylene No.132M
Cl2C:CHCl
Performance |
MeasuringRange |
2to 5ppm |
5to 100ppm |
100to 250ppm |
Number of Pump Strokes |
2 |
1 |
1/2 |
Correction Factor |
0.4 |
1 |
2.5 |
SamplingTime |
1 minute per pumpstroke |
||
DetectingLimit |
0.4 ppm (n=2) |
||
ColorChange |
Yellow → ReddishPurple |
||
ReactionPrinciple |
Cl2C:CHCl + 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 byitself |
Nitric Oxide,Nitrogen dioxide |
- | No effect |
Nodiscoloration |
Hydrogen chloride,Chlorine, Bromine |
- | Plus error |
Produce reddishpurple stain |
Acetone |
200 ppm |
No effect |
Nodiscoloration |
UnsaturatedHalogenated HCs |
- | Plus error |
Produces reddishpurple stain |
Aromatichydrocarbons |
100ppm |
Minus error |
Nodiscoloration |
Othersubstance measurable with this detector tube |
Calibration gasgeneration | Diffusion tubemethod |
TLV-TWA | TLV-STEL | Explosive range |
50ppm | 100ppm | - |
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