Indicator: 0.05 ~ 1.6%
Measuring Range:
+ 0.05 to 1.6%, Number of Pump Strokes 1
+ 1.6 to 3.52%, Number of Pump Strokes 1/2
Sampling Time: 1 minutes per pump stroke
Colour Change: Pink → Yellow
Reaction Principle: 2NH3 + H2SO4 → (NH4)2SO4
Coefficient of Variation: 10% (for 0.05 to 0.4 %), 5% (for 0.4 to 1.6 %)
Nr. of tests: 10
Pump: GV-100S/110S
Catalog
Manual
Performance
| Measuring Range |
| 0.05 to 1.6% |
1.6 to 3.52% |
|
| Number of Pump Strokes |
|
| Correction Factor |
|
| Sampling Time |
1 minute per pump stroke |
| Detecting Limit |
0.01% (n=1) |
| Colour Change |
Pink → Yellow |
| Reaction Principle |
2NH3 + H2SO4 → (NH4)2SO4 |
| Coefficient of Variation |
10% (for 0.05 to 0.4 %), 5% (for 0.4 to 1.6 %) |
| Shelf Life |
3 Years |
| Corrections for temperature & humidity |
Unnecessary |
| Store the tubes at cool and dark place. |
Possible coexisting substances and their interferences
(NOTE)
| Substance |
Concentration |
Interference |
Change colour by itself to |
| Hydrazine |
|
+ |
Yellow |
| Pyridine |
|
+ |
Yellow |
| Amines other than aromatic amines |
|
+ |
Yellow |
| Calibration gas generation |
High pressure gas cylinder method |
| TLV-TWA |
TLV-STEL |
Explosive range |
| 25 ppm (2014) |
35 ppm (2014) |
15 to 28% |
