三氯乙烯检测管132 HH Trichloroethylene
Trichloroethylene No.132HH
Cl2C:CHCl
Performance |
MeasuringRange |
0.05 to 1.0% |
1.0 to 2.5% |
Number of PumpStrokes |
1 |
1/2 |
CorrectionFactor |
1 |
2.5 |
SamplingTime |
3 minutes per pumpstroke |
|
DetectingLimit |
0.005% (n=1) |
|
ColorChange |
White → Yellowishbrown (dark brown at demarcation) |
|
ReactionPrinciple |
Cl2C:CHCl+ I2O5+ H2S2O7→ I2 |
|
Coefficient ofVariation | 10% (for0.05 to 0.3 %), 5% (for 0.3 to 1 %) | |
ShelfLife | 3Years | |
Correctionsfor temperature & humidity |
Temperature correction isnecessary | |
Store the tubes at cool and darkplace. |
Possible coexisting substances and theirinterferences | (NOTE) |
Substance |
Concentration |
Interference |
Change color by itself |
CarbonMonoxide |
0.1% |
Plus error |
Produces blackishbrown stain. |
Acetylene |
0.1% |
Plus error |
Produces blackishbrown stain |
Acetone |
6 times |
No effect |
Produces brownstain |
Ethylene |
0.5% |
Plus error |
Produces blackishbrown stain |
Toluene,Xylene |
3 times |
No effect |
Produce brownstain |
HCs of C3 |
- | Plus error |
Produce blackishbrown stain. |
Tetrachloroethylene |
- | Plus error |
Produces Yellowishbrown stain |
1,1,1-Trichloroethane |
- | Plus error |
Produces ringstain |
Othersubstance measurable with this detector tube |
Substance |
Correction Factor |
pump strokes |
Measuring range |
Tetrachloroethylene |
1.5 |
1 |
0.075 to 1.5% |
Calibration gasgeneration | Static gas dilutionmethod |
TLV-TWA | TLV-STEL | Explosive range |
50ppm | 100ppm | - |