Trichloroethylene Detection Tubes (80 to 800 ppm)
Gastec Detection Tube No. 132HA measures Trichloroethylene with a Range of 20 to 1300 ppm.
- Measuring Range:
- 20 to 50 ppm
- 50 to 500 ppm
- 500 to 1300 ppm
- Number of Pump Strokes: 2, 1, 1/2
- Correction Factor: 0.4, 1, 2.6
- Sampling Time: 45 seconds per pump stroke
- Detecting Limit: 4 ppm (2 pump strokes)
- Changes from Yellow to Reddish Purple
- Relative Standard Deviation: 10% (for 50 to 100 ppm), 5% (for 100 to 500 ppm)
- 2 Year Shelf Life (in the refrigerator)
- Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
- Reaction Principle:
- Cl2C:CHCl + PbO2 + H2SO4 → HCl
- HCl + Basic Compound → Chloride
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Bromine, Chlorine |
|
+ |
Reddish Purple |
| Hydrogen chloride |
|
+ |
Reddish purple |
| Unsaturated halogednated hydrocarbons |
|
+ |
Reddish purple |
| Acetone |
≦ 200 ppm |
No |
No |
| Aromatic hydrocarbons |
100 ppm |
- |
No |
| Nitric oxide |
|
No |
No |
| Nitrogen dioxide |
|
No |
No |
| 1,1,1-Trichloroethane |
|
|
Reddish purple（≧ 3000 ppm |
Other substance measurable with this detector tube:
| Substance: |
Correction Factor: |
No. of Pump Strokes: |
Measuring Range: |
1,2-Dichloroethylene
|
1.6 |
1 |
80 to 800 ppm |
| 1,3-Dichloropropene |
0.9 |
2 |
45 to 450 ppm |
Trichloroethylene Detection Tubes (80 to 800 ppm)
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