過氧化氫檢測管32D Hydrogen peroxide
Hydrogen peroxide No.32D
Performance |
Measuring Range | 0.5 to 40 ppm |
Sampling Hours | 1 to 10 hours |
Detecting Limit | 0.3 ppm (10hours) |
Color Change | White→ Yellow |
Reaction Principle | H2O2 +Ti(SO4)2 →Yellow product |
Coefficient ofVariation | 10%(for 5 to 40 ppm-hr) |
ShelfLife | 3 Year |
Correctionsfor temperature & humidity | Temperature correction isnecessary |
Store the tubes atcool and dark place. |
Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Nitrogendioxide | No | No | |
Chlorine,Ozone |
| No | No |
Acetaldehyde | 20 ppm | Unclear demarcation | No |
Formaldehyde | 10 ppm | - | No |
Calibration gasgeneration | Diffusion tubemethod |
TLV-TWA | TLV-S | Explosive range |
1 ppm | - | - |