| Liquid petroleum gas(LPG) | Hydrocarbons C3-C4 | NO.100A |
|
|
||
| Performance |
|
Measuring Range |
0.02 to 0.8% |
|
Number of Pump Strokes |
1 |
|
Correction Factor |
1 |
|
Sampling Time |
2 minutes per pump stroke |
|
Detecting Limit |
0.002% (n=1) |
|
Color Change |
Orange |
|
Reaction Principle |
Propylene reduces potassium dichromate to form |
| Coefficient of Variation | 10% (for 0.02 to 0.2 %), 5% (for 0.2 to 0.8 %) |
| 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 |
|
Ketones |
0.2% |
Plus error |
Produce similar stain by themselves. |
|
Esters |
0.2% |
Plus error |
Produce similar stain by themselves. |
|
Hydro carbons( |
- |
Plus error |
Produce similar stain by themselves. |
| Other substance measurable with this detector tube |
|
Substance |
Correction Factor |
Pump Strokes |
Measuring Range |
|
Propylene |
1 |
1 |
0.02 to 0.8 % |
| Xylene | by scale | 2 | 0.1 to 1.2 % |
| Calibration gas generation | Static gas dilution method | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | - |
|
|
| Copyright(c) 2001 GASTEC CORPORATION. All rights reserved. |
Blackish Green
Cr2(SO4)3
3)