Xylene Detection Tubes (2 to 200 ppm)
Gastec Detection Tube No. 123L measures Xylene with a Range of 2 to 200 ppm.
Performance
- Measuring Range: 2 to 100 ppm, 100 to 200 ppm
- Pump Strokes: 2, 1
- Correction Factor: 1, 2
- Sampling Time: 1.5 minutes per pump stroke
- Changes from White to Brown
- Corrections for temperature & humidity: Unnecessary
- 3 Year Shelf Life
- Reaction Principle: C6H4(CH3)2 + I2O5 + H2SO4 → I2
- Relative Standard Deviation: 10 % (for 2 to 30 ppm), 5 % (for 30 to 100 ppm)
- Store the tubes at cool and dark place.
Possible coexisting substances and their interferences:
| Substance |
Interference |
Changes color by itself to |
| Acetylene, Ethylene, Hexane |
No |
No |
| Alcohols, Esters, Ketones |
No |
No |
| Aromatic hydrocarbons |
+ |
Brown |
Xylene Detection Tubes (2 to 200 ppm)
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