| Chlorine | Cl2 | NO.8LL | |
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| Performance |
|
Measuring Range |
0.025 to 0.05ppm |
0.05 to 1.0 ppm |
1.0 to 2.0 ppm |
|
Number of Pump Strokes |
2 |
1 |
1/2 |
|
Correction Factor |
1/2 |
1 |
2 |
|
Sampling Time |
2 minutes per pump stroke |
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|
Detecting Limit |
0.005 ppm (n=2) |
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|
Color Change |
White |
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|
Reaction Principle |
Chlorine oxidize the indicator to produce pale green discoloration. |
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| Coefficient of Variation |
10% (for 0.05 to 0.2 ppm), 5% (for 0.2 to 1.0 ppm) |
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| Shelf Life | 1 Year | ||
| Corrections for temperature & humidity |
Unnecessary | ||
| Store the tubes in the refrigerator to keep at 10oC (50oF) or below. | |||
| Possible coexisting substances and their interferences | (NOTE) |
|
Substance |
Concentration |
Interference |
Change color by itself |
|
Ammonia |
- |
No effect |
No discoloration |
|
Carbon monoxide |
- |
No effect |
No discoloration |
|
Hydrogen chloride |
- |
No effect |
No discoloration |
|
Sulfur dioxide |
- |
No effect |
No discoloration |
|
Nitrogen dioxide, |
- |
Plus error |
Produce pale green |
|
Halogens |
- |
Plus error |
Produce pale green |
|
Hydrogen sulfide |
- |
No effect |
No discoloration |
|
Organic vapors |
- |
No effect |
No discoloration |
| Calibration gas generation | Permeation tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 0.5ppm | 1ppm | - |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
Pale Green