| Methyl bromide | CH3Br | NO.136LA |
|
|
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| Performance |
|
Measuring Range |
1 to 18 ppm |
18 to 36 ppm |
|
Number of Pump Strokes |
2 |
1 |
|
Correction Factor |
1 |
2 |
|
Sampling Time |
2 minutes per pump stroke |
|
|
Detecting Limit |
0.2 ppm (n=2) |
|
|
Color Change |
White |
|
|
Reaction Principle |
Methyl bromide produce intermediate product by oxidizing agent |
|
| Coefficient of Variation | 10% (for 1 to 6 ppm), 5% (for 6 to 18 ppm) | |
| Shelf Life | 2 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 |
|
Hologenes, NOx |
- |
Plus error |
Produce yellow stain |
|
Saturated halogenated hydrocarbons |
- |
Plus error |
Produce yellow stain |
| Other substance measurable with this detector tube |
|
Substance |
Correction Factor |
Pump Strokes |
Measuring Range |
|
n-Butyl Bromide |
1.0 |
2 |
1 to 18 ppm |
|
n-Butyl Bromide |
2.4 |
1 |
2.4 to 43.2 ppm |
| n-Propyl Bromide | 1.0 | 2 | 1 to 18 ppm |
| Calibration gas generation | Permeation tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 1ppm | - | 10 to 15% |
|
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| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
Yellow