Trichloroethylene Detection Tubes (2 to 250 ppm)
Gastec Detection Tube No. 132M measures Trichloroethylene with a Range of 2 to 250 ppm.
- Measuring Range:
- 2 to 5 ppm
- 5 to 100 ppm
- 100 to 250 ppm
- Number of Pump Strokes: 2, 1, 1/2
- Correction Factor: 0.4, 1, 2.5
- Sampling Time: 1 minute per pump stroke
- Detecting Limit: 0.4 ppm (2 pump strokes)
- Changes from Yellow to Reddish Purple
- Corrections for temperature & humidity: Temperature correction is necessary
- Reaction principle:
- Cl2C:CHCl + PbO2 + H2SO4 ? HCl
- HCl + Basic Compound ? Chloride
- Relative Standard Deviation: 10% (for 5 to 20 ppm), 5% (for 20 to 100 ppm)
- 2 Year Shelf Life (in the refrigerator)
- Store the tubes in the refrigerator to keep at 10�C (50�F) or below.
- This detector tube can also be used with the Gastec Water Pollutant Analysis Systems to measure trichloroethylene in the water. With these systems, samples are collected by using a syringe.
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Bromine, Chlorine |
|
+ |
Reddish purple |
| Hydrogen chlorine |
|
+ |
Reddish purple |
| Unsaturated halogenated hydrocarbons |
|
+ |
Reddish purple |
| Acetone |
? 200 ppm |
No |
No |
| Aromatic Hydrocarbons |
? 100 ppm |
- |
No |
| Nitric oxide |
|
No |
No |
| Nitrogen dioxide |
|
No |
No |
Trichloroethylene Detection Tubes (2 to 250 ppm)
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