Trichloroethylene Detection Tubes (0.375 to 6 ppm)
Gastec Detection Tube No. 132LL measures Trichloroethylene with a Range of 0.125 to 8.8 ppm.
- Measuring Range:
- 0.125 to 0.25 ppm
- (0.25) to 4.0 ppm
- 4.0 to 8.8 ppm
- Number of Pump Strokes: 2, 1, 1/2
- Correction Factor: 0.5, 1, 2.2
- Sampling Time: 1.5 minutes per pump stroke
- Detecting Limit: 0.05 ppm (2 pump strokes)
- Changes from Yellow to Purple
- 2 Year Shelf Life (in the refrigerator)
- Corrections for temperature & humidity: Temperature correction is necessary
- Relative Standard Deviation: 10% (for 0.25 to 1.0 ppm), 5% (for 1.0 to 4.0 ppm)
- Reaction Principle:
- Cl2C:CHCl + PbO2 + H2SO4 → HCl
- HCl + Basic Compound → Chloride
- Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Bromine, Chrorine |
≧ 1/2 |
+ |
Purple |
| Hydrogen chloride |
≧ 1/2 |
+ |
Purple |
| Tetrachloroethylene |
≧ 1/2 |
+ |
Purple |
| 1,1,1-Trichloroethane |
≦ 80 ppm |
No |
No (≦ 80 ppm) |
| Toluene, Xylene |
|
No |
No |
Other substance measurable with this detector tube:
| Substance: |
Correction Factor: |
No of Pump Strokes: |
Measuring Range: |
| 1,2-Dichloroethylene |
1.5 |
1 |
0.375 to 6 ppm |
| Dichlorvos |
0.045 |
2 |
0.11 to 1.8 ppm |
Trichloroethylene Detection Tubes (0.375 to 6 ppm)
There are no reviews yet.