NF EN ISO 172 : 1998
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PLASTICS - PHENOL-FORMALDEHYDE MOULDINGS - DETECTION OF FREE AMMONIA
Published date
12-01-2013
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Defines a qualitative procedure for detection of 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 powdered sample.
| DevelopmentNote |
REPLACES NFT 51-008
|
| DocumentType |
Standard
|
| PublisherName |
Association Francaise de Normalisation
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| BS EN ISO 172:1998 | Identical |
| ISO 172:1978 | Similar to |
| UNI EN ISO 172 : 2001 | Identical |
| DIN EN ISO 172:1998-10 | Identical |
| EN ISO 172:1998 | Identical |
| UNE-EN ISO 172:1999 | Identical |
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