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过氧化氢检测管32 Hydrogen peroxide，Measuring Range 0.5 to 10 ppm Number of Pump Strokes 5 Correction Factor 1 Sampling，过氧化氢检测管32 Hydrogen peroxide H2O2，过氧化氢检测管价格
详情介绍：
过氧化氢检测管32 Hydrogen peroxide
Hydrogen peroxide No.17L
H2O2
| Performance |
Measuring Range | 0.5 to 10 ppm |
Number of Pump Strokes | 5 |
Correction Factor | 1 |
Sampling Time | 1minute per pump stroke |
Detecting Limit | 0.1 ppm (n=5) |
Color Change | White → Yellow |
Reaction Principle | H2O2 + TiSO4 → Yellow Product |
| Coefficient of Variation | 10% (for 0.5 to 2 ppm), 5% (for 4 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 color by itself |
Chlorine | - | No effect | No discoloration |
Ozone | - | No effect | No discoloration |
Nitrogen dioxide | - | No effect | No discoloration |
Acetaldehyde | 50 ppm | Faint demarcation | No discoloration |
Formaldehyde | 10 ppm | Minus error | No discoloration |
| Other substance measurable with this detector tube |
| Calibration gas generation | Diffusion tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 1ppm | - | - |