Ethyl Ether Detection Tubes (0.04 to 1.0%)
Gastec Detection Tube No. 161 measures Ethyl Ether with a Range of 0.04 to 1.0%.
- Measuring Range: 0.04 to 1.0%
- Number of Pump Strokes: 1 (100 ml)
- Correction Factor: 1
- Sampling Time: 1.5 minutes per pump stroke
- Changes from Yellowish Brown to Greenish brown
- Corrections for temperature & humidity: Temperature correction is necessary
- Reaction Principle: (C2H5)2O + Cr6+ + H2SO4 → Cr3+
- Relative Standard Deviation: 10% (for 0.04 to 0.2 %), 5% (for 0.2 to 1.0 %)
- 3 Year Shelf Life
- Store the tubes at cool and dark place.
Possible coexisting substances and their interferences:
| Substance |
Concentration |
Interference |
Changes color by itself to |
| Acetylene |
≧ 0.3% |
Cannot use |
Greenish brown (whole layer)(≧ 0.3 %) |
| Propane |
≧ 0.2 % |
Cannot use |
Greenish brown (whole layer)(≧ 0.2 %) |
| Aromatic hydrocarbons |
≧ 500 ppm |
+ |
Greenish brown(≧ 500 ppm) |
| Alcohols, Esters, Ketones |
|
+ |
Greenish brown |
| Hydrogen sulfide |
≧ 500 ppm |
+ |
Green (≧ 500 ppm) |
| Sulfur dioxide |
≧ 500 ppm |
+ |
Green (≧ 500 ppm) |
Other substance measurable with this detector tube:
| Substance: |
Correction Factor: |
No. of Pump Strokes: |
Measuring Range: |
| Isopropyl ether |
0.45 |
2 |
0.018 to 0.45% |
| Methyl ether |
0.85 |
1 |
0.034 to 0.85% |
| Tetrahydrofuran |
1.4 |
1 |
0.056 to 1.4% |
| Toluene |
by scale |
1 |
0.02 to 0.8%
|
Ethyl Ether Detection Tubes (0.04 to 1.0%)
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