Nitro Compounds/Nitroethan Detection Tubes (0.5 to 30 ppm)
Measures Nitro Compounds (Nitroparaffin) (Pyrotec)
Performance:
| Measuring Range: |
0.5 to 30 ppm |
| Number of Pump Strokes: |
1 (100 ml) |
| Correction Factor: |
1 |
| Sampling Time: |
2 min |
| Detecting Limit: |
0.1 ppm (1 Pump Stroke) |
| Color Change: |
White to Yellowish Orange |
| Corrections for temperature & humidity |
Unnecessary |
| Shelf Life: |
3 Years |
Reaction Principle:
- Pyrotec: Nitro compounds ? NOx
- Pyrotube: NOx + CrO3 + H2SO4 ? NO2
- NO2 + o-Tolidine ? Yellowish orange product
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Chlorine dioxide |
|
+ |
Yellowish orange |
| Halogens |
|
+ |
Yellowish orange |
| Halogenated hydrocarbons |
|
+ |
Yellowish orange |
| Hydrogen chloride |
|
+ |
Yellowish orange |
| Sulfur dioxide |
? 25 ppm |
- (Bleaching) |
No |
| Hydrogen sulfide |
? 25 ppm |
- (Bleaching) |
No |
Substances measurable with this Pyrotube:
| Substances |
n |
Correction Factor |
Measuring Range |
| Acetonitrile |
1 |
6.0 |
3 to 180 ppm |
| Nitroethane |
1 |
8.0 |
4 to 240 ppm |
| Nitrogen dioxide |
1 |
1.0 |
0.5 to 30 ppm |
| Nitromethane |
1 |
10.0 |
5 to 300 ppm |
| 1-Nitropropane |
1 |
8.4 |
4.2 to 252 ppm |
| 2-Nitropropane |
1 |
7.4 |
3.7 to 222 ppm |
Nitro Compounds/Nitroethan Detection Tubes (0.5 to 30 ppm)
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