| Tetrachloroethylene | Cl2C:CCl2 | NO.133L | |
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| Performance |
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Measuring Range |
1 to 2ppm |
2 to 25ppm |
25 to 75ppm |
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Number of Pump Strokes |
2 |
1 |
1/2 |
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Correction Factor |
1/2 |
1 |
3 |
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Sampling Time |
1.5 minutes per pump stroke |
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Detecting Limit |
0.4 ppm (n=2) |
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Color Change |
Yellow |
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Reaction Principle |
Tetrachloroethylene is decomposed by nascent oxygen by oxidizing agent |
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| Coefficient of Variation | 10% (for 2 to 5 ppm), 5% (for 5 to 25 ppm) | ||
| Shelf Life | 2 Years | ||
| Corrections for temperature & humidity |
Temperature correction is necessary | ||
| Store the tubes in the refrigerator to keep at 10oC (50oF) or below. | |||
| Possible coexisting substances and their interferences | (NOTE) |
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Substance |
Concentration |
Interference |
Change color by itself |
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Nitric Oxide, Nitrogen dioxide |
- |
No effect |
No discoloration |
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Hydrogen chloride, Chlorine, Bromine |
- |
Plus error |
Produce reddish pink stain |
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Acetone |
200 ppm |
No effect |
No discoloration |
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Unsaturated Halogenated HCs |
- |
Plus error |
Produces reddish pink stain |
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Aromatic hydrocarbons |
100ppm |
Minus error |
No discoloration |
| Other substance measurable with this detector tube |
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Substance |
Correction Factor |
Pump Strokes |
Measuring Range |
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Pentachloroethane |
20 |
1 |
20 to 500 ppm |
| Calibration gas generation | Diffusion tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 25ppm | 100ppm | - |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
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