Chlorine |
NO.8LL |
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Measuring Range |
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Number of Pump Strokes |
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Correction Factor |
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Sampling Time | 2 minutes per pump stroke | |||
Detecting Limit | 0.005 ppm (n=2) | |||
Colour Change | White → Pale Green | |||
Reaction Principle | Cl2 + ABTS → Pale green products | |||
Coefficient of Variation | 10% (for 0.05 to 0.2 ppm), 5% (for 0.2 to 1.0 ppm) | |||
Shelf Life | 1 Year | |||
Corrections for temperature & humidity | Unnecessary | |||
Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below. |
Substance | Concentration | Interference | Change colour by itself to |
Ammonia | No | No | |
Carbon monoxide, Carbon dioxide | No | No | |
Hydrogen chloride | No | No | |
sulphur dioxide | No | No | |
Nitrogen dioxide, Chlorine dioxide | + | Pale green | |
Halogens | + | Pale green | |
Hydrogen sulphide | No | No | |
Organic vapours | No | No |
Calibration gas generation | Permeation tube method |
TLV-TWA | TLV-STEL | Explosive range |
0.5 ppm | 1 ppm | - |