| Chlorine | Cl2 | NO.8H | |
|
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| Performance |
|
Measuring Range |
25 to 50pm |
50 to 500ppm |
500 to 1000ppm |
|
Number of Pump Strokes |
2 |
1 |
1/2 |
|
Correction Factor |
1/2 |
1 |
2 |
|
Sampling Time |
45 seconds per pump stroke |
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|
Detecting Limit |
5 ppm (n=2) |
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|
Color Change |
White |
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|
Reaction Principle |
Chlorine is oxidized by o-Tolidine to form reddish orange color. |
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| 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. | |||
| Possible coexisting substances and their interferences | (NOTE) |
|
Substance |
Concentration |
Interference |
Change color by itself |
|
Bromine |
- |
Plus error |
Produce vermilion |
|
Chlorine dioxide |
- |
Plus error |
Produce vermilion |
|
Iodine |
- |
Plus error |
Produce vermilion |
| Other substance measurable with this detector tube |
|
Substance |
Correction Factor |
Pump Strokes |
Measuring Range |
|
Chlorine dioxide |
0.5 |
1 |
25 to 250 ppm |
| Calibration gas generation | Permeation tube method | |
| TLV to TWA | TLV to STEL | Explosive range |
| 0.5ppm | 1ppm | - |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
Vermilion (reddish orange)