| Hydrogen | H2 | NO.30 | |
|
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| Performance |
|
Measuring Range |
0.5 to 2.0% |
|
Number of Pump Stroke |
1 |
|
Correction Factor |
1 |
|
Sampling Time |
2 minutes per pump stroke |
|
Detecting Limit |
0.5%(n=1) |
|
Color Change |
Yellow |
|
Reaction Principle |
Hydrogen reduces sodium palladosulfide to liberate metallic palladium. |
| Shelf Life | 3 Years |
| Corrections for temperature & humidity |
Unnecessary |
| Store the tubes at cool and dark place. | |
| Special note |
| This is not a direct reading tube. Concentrations should be determined by using the concentration chart attached with this tube. |
| Possible coexisting substances and their interferences | (NOTE) |
|
Substance |
Interference |
Change color by itself |
|
Carbon monoxide |
Produce 2 layers |
Produce blackish brown |
|
Acetylene |
Produce 2 layers |
Produce blackish brown |
|
Ethylene |
Plus error |
Produce blackish brown |
| Calibration gas generation | High pressure gas cylinder method | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | 4 to 75% |
|
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
Yellowish brown