| Isoamyl acetate | CH3CO2(CH2)2CH(CH3)2 (i-CH3CO2C5H11) |
NO.148 |
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| Performance |
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Measuring Range |
10 to 200 ppm |
|
Number of Pump Strokes |
2 |
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Correction Factor |
1 |
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Sampling Time |
4 minutes per pump stroke |
|
Detecting Limit |
2 ppm (n=2) |
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Color Change |
Yellow |
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Reaction Principle |
Isopropyl acetate reduces cromic acid to produce pale blue color. |
| Coefficient of Variation | 15% (for 10 to 50 ppm), 10% (for 50 to 200 ppm) |
| Shelf Life | Temperature correction is necessary |
| Corrections for temperature & humidity |
2 Years |
| Store the tubes at cool and dark place. | |
| Possible coexisting substances and their interferences | (NOTE) |
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Substance |
Concentration |
Interference |
Change color by itself |
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Alcohols |
- |
Plus error |
Produce pale blue |
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Ketones |
- |
Plus error |
Produce pale blue |
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Esters |
- |
Plus error |
Produce pale blue |
| Calibration gas generation | Diffusion tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 100ppm | - | 1.0 to 7.5% |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
Pale blue