Chlorobenzene |
NO.126 |
Measuring Range |
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Number of Pump Strokes |
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Correction Factor |
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Sampling Time | 1.5 minutes per pump stroke | |||
Detecting Limit | 0.2 ppm (n=2) | |||
Colour Change | White → Gray | |||
Reaction Principle | C6H5Cl+ I2O5 + H2S2O7 → I2 | |||
Coefficient of Variation | 15% (for 5 to 50 ppm), 10% (for 50 to 200 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 |
Carbon monoxide | 0.1% | No (2 layers) | Pale brown (whole layer) |
Acetylene, Hexane, Ethylene | 0.2% | No (2 layers) | Pale brown (whole layer) |
Alcohols, Ketones | 1% | + | No |
Esters | 0.2% | + | No |
Aromatic hydrocarbons | + | Gray |
Calibration gas generation | Diffusion tube method |
TLV-TWA | TLV-STEL | Explosive range |
10 ppm | - | 1.3 to 9.6% |