| Carbon dioxide | CO2 | NO.2H | |
|
|
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| Performance |
|
Measuring Range |
0.5 to 1% |
1 to 10% |
10 to 20% |
|
Number of Pump Strokes |
2 |
1 |
1/2 |
|
Correction Factor |
1/2 |
1 |
2 |
|
Sampling Time |
1 minute per pump stroke |
||
|
Detecting Limit |
0.1% (n=2) |
||
|
Color Change |
White |
||
|
Reaction Principle |
Carbon dioxide reacts with detecting agent to give indicator to purple. |
||
| Coefficient of Variation | 10% (for 1 to 3 %), 5% (for 3 to 10 %) | ||
| 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 |
|
Ammonia |
- |
No effect |
No discoloration |
|
Carbon Monoxide |
- |
No effect |
No discoloration |
| Chlorine | - | No effect | No discoloration |
| Hydrogen sulfde | - | No effect | No discoloration |
|
Hydrogen chloride |
- |
No effect |
No discoloration |
|
Nitrogen oxides |
- |
No effect |
No discoloration |
|
Sulfur dioxide |
- |
No effect |
No discoloration |
|
Amines |
- |
No effect |
No discoloration |
|
Organic solvents |
- |
No effect |
No discoloration |
| Calibration gas generation | High pressure gas cylinder method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 5000ppm | 30000ppm | - |
|
|
| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
Purple