Formaldehyde 37% liquid
Specification :
| TEST | RESULT UNIT | REQUIREMENT |
|---|---|---|
| Description | – | Clear colourless solution or slightly hazy colour |
| Specific gravity d 25/25 | – | 1.104 – 1.112 |
| Aldehyde content (as HCHO) | % w/w | 36.5 – 37.5 |
| Methanol content | % w/w | 1–3 |
| Acidity (as HCOOH) | % w/w | Max 0.05 |
| pH | – | 2.8 – 5.0 |