| 1,3-Butadiene | CH2:CHCH:CH2 | NO.174L |
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| Performance |
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Measuring Range |
2.5 to 5 ppm |
5 to 100 ppm |
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Number of Pump Strokes |
8 |
4 |
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Correction Factor |
1/2 |
1 |
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Sampling Time |
3 minutes per pump stroke |
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Detecting Limit |
0.5 ppm (n=8) |
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Color Change |
Pale yellow |
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Reaction Principle |
1,3-Butadiene reacts with palladium sulfate and |
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| Coefficient of Variation | 10% (for 5 to 20 ppm), 5% (for 20 to 100 ppm) | |
| Shelf Life | 3 Years | |
| Corrections for temperature & humidity |
Temperature correction is necessary | |
| Store the tubes at cool and dark place. | ||
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Substance |
Concentration |
Interference |
Change color by itself |
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Acetylene, Hydrogen cyanide |
- |
Plus error |
Discolor to white |
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Carbon monoxide, Hydrogen |
- |
Plus error |
Discolors to blue for whole layer |
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Hydrogen chloride |
- |
Plus error |
Discolors to pink stain |
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Hydrogen sulfide |
- |
Plus error |
Discolors to black |
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Ethylene, Propylene, Butylene |
- |
Plus error |
Discolors to blue |
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Butane, Pentane |
- |
Plus error |
Discolor to blue for whole layer |
| Other substance measurable with this detector tube |
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Substance |
Correction Factor |
Pump Strokes |
Measuring Range |
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1,3-Pentadiene |
8.5 |
4 |
42.5 to 850 ppm |
| Calibration gas generation | Permeation tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 2ppm | - | 2.0 to 12% |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
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