Ammonia Detection Tubes (0.2-3.2%)
Gastec Detection Tube No. 3H measures Ammonia with a Range of 0.2 to 32 %.
- Measuring Range:
- 0.2 to 1 %
- 1 to 16 %
- 16 to 32 %
- No. of Pump Strokes: 2 to 5, 1, 1/2
- Corretion Factor: 1/2 to 1/5, 1, 1
- Sampling Time: 1.5 to 3.75 min, 45 sec, 30 sec
- Detecting Limit: 0.05 % (5 pump strokes)
- Color Change: Purple to Yellow
- Corrections for temperature & humidity: Unnecessary
- Relative Standard Deviation: 10 % (for 1 to 4 %), 5 % (for 4 to 16 %)
- Shelf Life: 3 Years
- Reaction Principle: 3NH3 + H3PO4 → (NH4)3PO4
Possible coexisting substances and their interferences:
| Substance |
Interference |
Changes color by itself to |
| Amines |
+ |
Yellow |
| Hydrazine |
+ |
Yellow |
Other substance measurable with this detector tube:
| Substance |
Correction Factor |
No. of Pump Strokes |
Measuring Range |
| Dimethylamine |
1.2 |
1 |
1.2 to 19.2 % |
Ammonia Detection Tubes (0.2-3.2%)
Reaction Principle = 3NH3 + H3PO4 to (NH4) to 3PO4
Other Substance Measurable With This Detector Tube:
| Substance:
|
Correction:
|
No. of Pump Strokes:
|
Measuring Range:
|
| Dimethylamiine
|
Factor : 1.2
|
1
|
1.2 to 19.2 %
|
Ammonia Detection Tubes (0.2-3.2%)
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