Gastec 32 Quick-measuring Detector tubes Hydrogen peroxide H2O2 (0.5 ~ 10 ppm)
ManufacturerGastec(View more products from this manufacturer)
ModelH2O2
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Indicator: 1~10ppm
Measuring Range: 0.5 to 10 ppm, Number of Pump Strokes 5
Sampling Time: 45 second per pump stroke
Colour Change: White → Yellow
Reaction Principle: H2O2 + TiSO4 → Yellow Product
Coefficient of Variation: 10% (for 0.5 to 2 ppm), 5% (for 2 to 10 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Performance
| Measuring Range | 0.5 to 10 ppm |
| Number of Pump Strokes | 5 |
| Correction Factor | 1 |
| Sampling Time | 45 seconds per pump stroke |
| Detecting Limit | 0.1 ppm (n=5) |
| Colour Change | White → Yellow |
| Reaction Principle | H2O2 + TiSO4 → Yellow Product |
| Coefficient of Variation | 10% (for 0.5 to 2 ppm), 5% (for 2 to 10 ppm) |
| Shelf Life | 3 Years |
| Corrections for temperature & humidity | Temperature correction is necessary |
| Store the tubes at cool and dark place. | |
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Chlorine | No | No | |
| Ozone | No | No | |
| Nitrogen dioxide | No | No | |
| Acetaldehyde | 50 ppm | Unclear demarcation | No |
| Formaldehyde | 10 ppm | No |
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