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18121126516
021-64835787
三氯乙烯检测管132HH 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 is necessary | |
| 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 | - |