| Styrene | C6H5CH:CH2 | NO.124L | |
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| Performance |
|
Measuring Range |
2 to 25 ppm |
25 to 100 ppm |
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Number of Pump Strokes |
4 |
1 |
|
Correction Factor |
1 |
4 |
|
Sampling Time |
30 seconds per pump stroke |
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Detecting Limit |
0.5 ppm (n=4) |
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Color Change |
White |
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Reaction Principle |
Styrene reacts with sulfuric acid fuming to form |
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| Coefficient of Variation |
10% (for 2 to 5 ppm), 5% (for 5 to 25 ppm) |
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| 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 |
Interference |
Change color by itself |
|
Alcohols, Esters |
10 times |
Plus error (Bleaching) |
No discoloration |
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Aldehydes, Ketones |
10 times |
Plus error (Bleaching) |
No discoloration |
|
Butadiene |
5 ppm |
Plus error (Bleaching) |
Produce blackish brown |
| Other substance measurable with this detector tube |
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Substance |
Correction Factor |
Pump Strokes |
Measuring Range |
|
Divinyl benzene |
0.6 |
3 |
1 to 15 ppm |
| Calibration gas generation | Diffusion tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 20ppm | 40ppm | 1.1 to 6.1% |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
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