| Measured Gas | Formaldehyde |
| Tube No. | 171SB |
| Scaled Range | 1 to 35 ppm |
| Testable Range | 1 to 35 ppm |
| Unit Scale | ppm |
| Multi-Range | No |
| Original Color | White |
| Stain Color | Brownish Orange |
| Shelf Life | 3 Years |
| CAS No. | 50-00-0 |
| Tube Layout | [ Pre-treat Tube ] + [ Detector Tube ] |
| Typical Applications |
Atmospheric pollution survey, germicide, fungicide organic mfg. industrial hygiene |
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