| Chlorine Dioxide | ClO2 | NO.23M |
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| Performance |
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Measuring Range |
0.1 to 0.5 ppm |
0.5 to 5 ppm |
5 to 10 ppm |
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Number of Pump Strokes |
2 to 5 |
1 |
1/2 |
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Correction Factor |
1/2 to 1/5 |
1 |
2 |
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Sampling Time |
1 minute per pump stroke |
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Detecting Limit |
0.05 ppm (n=5) |
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Color Change |
White |
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Reaction Principle |
Chlorine dioxide oxidizes the indicator to produce Pale pink discoloration. |
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| Coefficient of Variation | 10% (for 0.05 to 0.2 ppm), 5% (for 0.2 to 0.6 ppm) | ||
| Shelf Life | 3 Years | ||
| Corrections for temperature & humidity |
Unnecessary | ||
| Store the tubes in dark and cool place. | |||
| Possible coexisting substances and their interferences | (NOTE) |
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Substance |
Concentration |
Interference |
Change color by itself |
| Nitric oxide | - |
Plus error |
Pale pink |
| Ozone | - |
Plus error |
Pale pink |
| Nitrogen dioxide | - | Plus error | Pale pink |
| Chlorine | - | Plus error | Pale pink |
| Bromine, Iodine | - | Plus error | Pale pink |
| Calibration gas generation | Permeation tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 0.1ppm | 0.3ppm | - |
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| Copyright(c) 2002 GASTEC CORPORATION. All rights reserved. |
Pale pink