| Measured Gas | Phosphine |
| Tube No. | 121SC |
| Scaled Range | 20 to 700 ppm |
| Testable Range | 20 to 1400 ppm |
| Unit Scale | ppm |
| Multi-Range | Yes |
| Original Color | White |
| Stain Color | Yellow |
| Shelf Life | 3 Years |
| 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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