| Measured Gas | Phosphine |
| Tube No. | 121SD |
| Scaled Range | 0.5 to 10.0 ppm |
| Testable Range | 0.25 to 20.0 ppm |
| Unit Scale | ppm |
| Multi-Range | Yes |
| Original Color | Yellow |
| Stain Color | Pink |
| Shelf Life | 1 Year |
| CAS No. | 7803-51-2 |
| Tube Layout | [ Detector Tube ] |
| Typical Applications |
Concentration control in fumigation of tobacco leaves & cereals, doping gas analysis in mfg. semiconductor, industrial hygiene |
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