Active
Standard
Most Recent
NBN EN ISO 172:1998
Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia (ISO 172:1978)
Preview
Summary
Specification of a qualitative method of detecting the presence of free ammonia or other volatile bases in phenol-formaldehyde mouldings by the exposure of an indicator paper to the vapour from a moistened powdered sample. It may be used when the absence of free ammonia is a requirement.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 09/10/1998 |
| Cancellation Date | 01/31/1999 |
| Page Count | 9 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
No products.
Previous versions
10/09/1998
Active
Most Recent