| Chloroform | CHCl3 | NO.137 | |
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| Performance |
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Measuring Range |
4 to 10 ppm |
10 to 100 ppm |
100 to 400 ppm |
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Number of Pump Stroke |
7 |
5 |
3 |
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Correction Factor |
0.4 |
1 |
4 |
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Sampling Time |
2 minutes per pump stroke |
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Detecting Limit |
1 ppm (n=7) |
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Color Change |
White |
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Reaction Principle |
Chloroform is oxidized by nascent oxygen to liberate chlorine. |
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| Coefficient of Variation | 15% (for 10 to 20 ppm), 10% (for 20 to 100 ppm) | ||
| Shelf Life | 3 Years | ||
| Corrections for temperature & humidity |
Humidity correction is necessary | ||
| Store the tubes at cool and dark place. | |||
| Possible coexisting substances and their interferences | (NOTE) |
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Substance |
Concentration |
Interference |
Change color by itself |
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Cl2, Br2, I2 |
1/20 time |
Plus error |
Discolors to orange |
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Unsaturated halogenated HCs |
1/20 time |
Plus error |
Discolors to orange |
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Saturated halogenated HCs |
1/10 time |
Plus error |
Discolors to orange |
| Calibration gas generation | Diffusion tube method | |
| TLV to TWA | TLV to STEL | Explosive range |
| 10ppm | - | - |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
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