| Chlorobenzene | C6H5Cl | NO.126 | |
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| Performance |
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Measuring Range |
2 to 5ppm |
5 to 200ppm |
200 to 500ppm |
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Number of Pump Strokes |
2 |
1 |
1/2 |
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Correction Factor |
0.4 |
1 |
2.5 |
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Sampling Time |
1.5 minutes per pump stroke |
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Detecting Limit |
0.2 ppm (n=2) |
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Color Change |
White |
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Reaction Principle |
Chlorobenzene reacts with iodine pentoxide to liberate Iodine |
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| Coefficient of Variation |
15% (for 5 to 50 ppm), 10% (for 50 to 200 ppm) |
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| Shelf Life | 3 Years | ||
| Corrections for temperature & humidity |
Unnecessary | ||
| Store the tubes at cool and dark place. | |||
| Possible coexisting substances and their interferences | (NOTE) |
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Substance |
Concentration |
Result |
Change color by itself |
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Carbon monoxide |
0.1% |
No effect (2layers) |
Discolors whole layer |
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Acetylene, Hexane, Ethylene |
0.2% |
No effect(2 layers) |
Discolors whole layer |
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Alcohols, Ketones |
1% |
Plus error |
No discoloration |
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Esters |
0.2% |
Plus error |
No discoloration |
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Aromatic hydrocarbons |
- |
Plus error |
Discolors to grayish brown |
| Calibration gas generation | Diffusion tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 10ppm | - | 1.3 to 9.6% |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
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