| Water vapor | H2O | NO.6L | |
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| Performance |
|
Measuring Range |
0.05 to 1 mg/l |
1 to 2 mg/l |
|
Number of Pump Strokes |
1 |
1/2 |
|
Correction Factor |
1 |
2 |
|
Sampling Time |
30 seconds per pump stroke |
|
|
Detecting Limit |
0.03 mg/l (n=1) |
|
|
Color Change |
Yellow |
|
|
Reaction Principle |
Water vapor is absorbed by reagent to produce |
|
| Coefficient of Variation | 10% (for 0.05 to 0.2 mg/l), 5% (for 0.2 to 1 mg/l) | |
| 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 |
|
Alcohols |
100 ppm |
Unclear demarcation |
Greenish purple stain |
|
Aldehydes |
- |
Unclear demarcation |
|
|
Ketones |
- |
Unclear demarcation |
|
|
Nitriles |
- |
Unclear demarcation |
|
|
Hydrocarbons |
- |
No effect |
No discoloration |
|
Nitrogen dioxide |
- |
No effect |
No discoloration |
|
Sulfur dioxide |
100 ppm |
Plus error |
No discoloration |
| Ammonia | 10 ppm | Unclear demarcation | Yellowish green |
| Calibration gas generation | Diffusion tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | - |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
Purple