Indicator: 1 to 16%
Measuring Range:
+ 0.2 to 1%, Number of Pump Strokes 5 - 2
+ 1 to 16%, Number of Pump Strokes 1
+ 16 to 32%, Number of Pump Strokes 1/2
Sampling Time: 45 seconds per pump stroke
Colour Change: Purple → Yellow
Reaction Principle: 3NH3 + H3PO4 → (NH4)3PO4
Coefficient of Variation: 10% (for 1 to 4 %), 5% (for 4 to 16 %)
Nr. of tests: 10
Pump: GV-100S/110S
Details
Catalog
Manual
Performance
| Measuring Range |
| 0.2 to 1% |
1 to 16% |
16 to 32% |
|
| Number of Pump Strokes |
|
| Correction Factor |
|
| Sampling Time |
45 seconds per pump stroke |
| Detecting Limit |
0.05% (n=5) |
| Colour Change |
Purple → Yellow |
| Reaction Principle |
3NH3 + H3PO4 → (NH4)3PO4 |
| Coefficient of Variation |
10% (for 1 to 4 %), 5% (for 4 to 16 %) |
| 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 |
| Amines other than aromatic amines |
|
+ |
Yellow |
