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Shanghai Yudong Electronic Technology Co., Ltd
Phosphine gas detection tube 7L Phosphine PH3
NegotiableUpdate on 09/16
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Overview
Phosphine gas detection tube 7L Phosphine PH3, measuring range 0.15 to 0.3 ppm 0.3 to 5 ppm, carbon dioxide, chlorine gas, hydrogen chloride, nitrogen oxides, total hydrocarbons, acetone, xylene, butanone, toluene, phosphine, nitrogen dioxide, trichloroethylene, hydrogen cyanide, vinyl chloride, mercaptan, chlorine dioxide, methyl bromide, ozone, butane, gasoline, diesel, formaldehyde gas detection tubes, etc
Product Details
磷化氢气体检测管7 L Phosphine PH3
Phosphine No.7L
PH3
| Performance |
Measuring Range |
0.15 to 0.3ppm |
0.3 to 5 ppm |
Number of Pump Strokes |
10 |
5 |
Correction Factor |
1/2 |
1 |
Sampling Time |
1 minute per pumpstroke |
|
Detecting Limit |
0.04 ppm (n =10) |
|
Color Change |
Pale yellow → Purple |
|
Reaction Principle |
PH3+ Gold- compound → Colloidal gold |
|
| Coefficient ofVariation | 10% (for0.3 to 1 ppm), 5% (for 1 to 5 ppm) | |
| ShelfLife | 3Years | |
| Correctionsfor temperature & humidity |
Unnecessary | |
| Store the tubes at cool and darkplace. | ||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance |
Concentration |
Interference |
Change color by itself |
Arsine |
- | Plus error |
Produces purplestain |
Germane |
- | Plus error |
Produces purplestain |
Hydrogenselenide |
- | Plus error |
Produces purplestain |
Hydrogen sulfide |
- | Plus error |
Produces purplestain |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | High pressure gascylinder method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 0.3ppm | 1ppm | - |
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