Toluene Detection Tubes (1 to 100 ppm)
Gastec Detection Tube No. 122L measures Toluene with a Range of 1-100 ppm.
- Measuring Range (Toulene):
- 1 to 2 ppm
- 2 to 50 ppm
- 50 to 100 ppm
- Number of Pump Strokes: 4, 2, 1
- Correction Factor: 1/2, 1, 2
- Sampling Time: 1.5 minutes per pump stroke
- Detecting Limit: 0.5 ppm (4 pump strokes)
- Changes from White to Brown
- Corrections for temperature & humidity: Unnecessary
- Relative Standard Deviation: 10% (for 2 to 20 ppm), 5% (for 20 to 50 ppm)
- Reaction Principle: C 6H5CH3 + I2O5 + H2SO4 → I2
- 3 Year Shelf Life
- Store the tubes at cool and dark place.
Possible coexisting substances and their interferences:
| Substance |
Interference |
Changes color by itself to |
| Aromatic hycrocabons |
+ |
Brown |
| Acetylene, Ethylen, Hexane |
No |
No |
| Alcohols, Esters, Ketones |
No |
No |
Other substances measurable with this detector tube:
| Substance: |
Correction Factor: |
No of Pump Strokes: |
Measuring Range:
(ppm) |
| Cumene |
by scale |
2 |
2 to 100 ppm |
| Diethyl benzene |
by scale |
4 |
2 to 150 ppm |
| Ethyl benzene |
by scale |
2 |
1 to 70 ppm |
| Xylene |
4
2
1 |
1
2
4 |
100 to 200
4 to 100
2 to 4 |
Toluene Detection Tubes (1 to 100 ppm)
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