| Ethylene oxide | C2H4O | NO.163 |
|
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| Performance |
|
Measuring Range |
(0.05 ) to 3% |
|
Number of Pump Strokes |
1 |
|
Correction Factor |
1 |
|
Sampling Time |
1 minute per pump stroke |
|
Detecting Limit |
0.02% (n = 1) |
|
Color Change |
Orange |
|
Reaction Principle |
Ethylene oxide reduces potassium dichromate to |
| Coefficient of Variation | 10% (for 0.05 to 1.0 %), 5% (for 1.0 to 3.0 %) |
| Shelf Life | 3 Years |
| Corrections for temperature & humidity |
Unnecessary |
| Store the tubes at cool and dark place. | |
| Possible coexisting substances and their interferences | (NOTE) |
|
Substance |
Concentration |
Interference |
Change color by itself |
|
Aromatic HCs |
- |
Plus error |
Produce green stain |
|
Alcohols, Esters, Ethers |
- |
Plus error |
Produce green stain |
| Other substance measurable with this detector tube |
|
Substance |
Correction |
No. of Pump Strokes |
Measuring Range |
|
1,4-Dioxane |
Factor: 2.0 |
1 |
0.1 to 6% |
|
Propylene oxide |
Factor: 1.3 |
1 |
0.065 to 3.9% |
| Calibration gas generation | Static gas dilution method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 1ppm | - | 3.6 to 100% |
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
Green