Chlorine |
NO.8H |
![]() |
Measuring Range |
|
|||
Number of Pump Strokes |
|
|||
Correction Factor |
|
|||
Sampling Time | 45 seconds per pump stroke | |||
Detecting Limit | 5 ppm (n=2) | |||
Colour Change | White → Vermilion (reddish orange) | |||
Reaction Principle | Cl2 + o - Tolidine → Vermilion products | |||
Coefficient of Variation | 10% (for 50 to 100 ppm), 5% (for 100 to 500 ppm) | |||
Shelf Life | 3 Years | |||
Corrections for temperature & humidity | Unnecessary | |||
Store the tubes at cool and dark place. |
Substance | Concentration | Interference | Change colour by itself to |
Bromine | + | Vermilion | |
Chlorine dioxide | + | Vermilion | |
Iodine | + | Vermilion |
Substance | Correction Factor | No. of pump strokes | Measuring Range |
Chlorine dioxide | 0.5 | 1 | 25 to 250 ppm |
Calibration gas generation | Permeation tube method |
TLV-TWA | TLV-STEL | Explosive range |
0.5 ppm | 1 ppm | - |