Hydrogen Peroxide Detection Tubes (0.5 to 10 ppm)
Gastec Detection Tube No. 32 measures Hydrogen Peroxide with a Range of (0.5) to 10 ppm.
- Measuring Range: (0.5) to 10 ppm
- Number of Pump Strokes: 5 (500 ml)
- Correction Factor: 1
- Sampling Time: 30 seconds per pump stroke
- Detecting Limit: 0.25 ppm (5 pump strokes)
- Changes from White to Yellow
- Corrections for temperature & humidity: Temperature correction is necessary
- Reaction Principle: H2O2 + TiSO4 → Reaction Product
- Relative Standard Deviation: 10% (for 0.5 to 2 ppm), 5% (for 2 to 10 ppm)
- 3 Year Shelf Life
- Store the tubes at cool and dark place.
Possible coexisting substances and their interferences
| Substance |
Concentration |
Interference |
Changes color by itsel to |
| Chlorine, Ozone |
|
No |
No |
| Nitrogen dioxide |
|
No |
No |
| Acetaldehyde |
≧ 50 ppm |
Unclear demarcation |
No |
| Formaldehyde |
≧ 10 ppm |
- |
No |
Hydrogen Peroxide Detection Tubes (0.5 to 10 ppm)
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