| Stoddard Solvent | NO.128 | ||
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| Performance |
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Measuring Range |
50 to 8000 mg/m3 |
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Number of Pump Strokes |
1 |
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Correction Factor |
1 | |
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Sampling Time |
1.5 minutes per pump stroke |
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Detecting Limit |
5 mg/m3 (n=1) |
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Color Change |
White |
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Reaction Principle |
Stoddard Solvent + I2O5 + H2S2O7  I2 |
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| Coefficient of Variation | 15% (for 50～300 mg/m3), 10% (for 300～8000 mg/m3) | |
| Shelf Life | 3 Years | |
| Corrections for temperature & humidity |
Unnecessary | |
| Store the tubes at cool and dark place. | ||
| Possible coexisting substances and their interferences | (NOTE) |
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Substance |
Concentration |
Result |
Change color by itself |
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Carbon monoxide |
0.1% |
Plus error |
Pale brown (whole layer) |
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Acetylene, Hexane, Ethylene |
0.2% |
No effect |
Pale brown (whole layer) |
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Alcohols, Ketones,Esters |
- |
Plus error |
Pale brown (whole layer) |
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Aromatic hydrocarbons |
- |
Plus error |
Dark green |
| Calibration gas generation | Vaper pressure method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 100 mg/m3 | - | 0.8 % or higher |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |