Ammonia (NH3) Detection Tubes (10 to 1000 ppm)
This detector tubes measures Measures Ammonia. Other substance measurable with this detector tube is: Trimethylamine With a Range of 25-250 ppm (1 stroke).
- Measuring Range:
- 10 to 50 ppm - 2 to 5 pump strokes - Correction Factor: 1/2 to 1/5
- 50 to 500 ppm - 1 pump stroke - Correction Factor: 1
- 500 to 1000 ppm - 1/2 pump stroke - Correction Factor: 2
- Sampling Time: 45 seconds per pump stroke
- Changes from Purple to Yellow
- 3 Year Shelf Life
- Corrections for temperature & humidity: Unnecessary
- Relative Standard Deviation: 5% (for 50 to 500 ppm)
- Reaction Principle: 3NH3 + H3PO4 → (NH4)3PO4
- Store the tubes in a dark and cool place.
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Diamines |
≧ 1/8 |
+ |
Yellow |
| Monoamines |
≧ 1/15 |
+ |
Yellow |
| Carbon dioxide |
≧ 1% |
- (20%) |
No |
Other substance measurable with this detector tube:
| Substance |
Correction |
No. of Pump Strokes |
Measuring Range |
| Trimethylamine |
Factor: 0.5 |
1 |
25 to 250 ppm |
Ammonia (NH3) Detection Tubes (10 to 1000 ppm)
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