Hexane Detection Tubes (0.015 to 1.2%)
Gastec Detection Tube No. 102H measures Hexane with a Range of 0.015-1.2%.
- Measuring Range: 0.015 to 0.03%, 0.03 to 0.6%, 0.6 to 1.2%
- Number of Pump Strokes: 2, 1, 1/2
- Correction Factor: 1/2, 1, 2
- Sampling Time: 45 seconds per pump stroke
- Detecting Limit: 0.003% (2 pump strokes)
- Changes from Yellowish brown to Greenish brown
- Corrections for temperature & humidity: Unnecessary
- Relative Standard Deviation: 10% (for 0.03 to 0.2 %), 5% (for 0.2 to 0.6 %)
- Reaction Principle: CH3(CH2)4CH3 + Cr6+ + H2SO4 → Cr3+
- 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 |
≧ 3% |
+ |
Greenish brown (whole layer) |
| Propane |
≧ 0.2% |
+ |
Greenish brown (whole layer) |
| Alcohols, Esters, Ethers |
|
+ |
Greenish brown |
| Aromatic hydrocarbons |
≧ 500 ppm |
+ |
Greenish brown |
| Halogenated hydrocarbons |
≧ 5000 ppm |
+ |
Greenish brown |
| Hydrogen sulfide |
≧ 500 ppm |
+ |
Greenish brown |
| Sulfur dioxide |
≧ 500 ppm |
+ |
Green |
Other substances measurable with this detector tube:
| Substance: |
Correction Factor: |
No. of Pump Strokes: |
Measuring Range: |
| CycloHexane |
2
1
0.5 |
1/2
1
2 |
0.6-1.2%
0.03-0.6%
0.015-0.03% |
| Methylchyclohexane |
1.4 |
1 |
0.04 to 0.84% |
Hexane Detection Tubes (0.015 to 1.2%)
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