ISO 120:1977
Current
The latest, up-to-date edition.
Plastics — Phenol-formaldehyde mouldings — Determination of free ammonia and ammonium compounds — Colorimetric comparison method
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English, French
01-10-1977
Specification of a semi-quantitative method. The content of free ammonia in a moulded article is of importance, when corrosion of metal inserts or contamination in contact with the article has to be considered. Distillation of the aqueous extract from a powdered test portion, coloration of the distillate by reaction with Nessler reagent and comparison of the colour with that of standard matching solutions.
| Committee |
ISO/TC 61/SC 12
|
| DocumentType |
Standard
|
| Pages |
2
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| DIN EN ISO 120:1998-10 | Identical |
| NF EN ISO 120 : 1998 | Similar to |
| NBN EN ISO 120 : 1998 | Identical |
| NEN EN ISO 120 : 1998 | Identical |
| NEN ISO 120 : 1978 | Identical |
| NS EN ISO 120 : 1ED 1998 | Identical |
| I.S. EN ISO 120:1998 | Identical |
| PN EN ISO 120 : 2003 | Identical |
| SAC GB/T 5474 : 2016 | Identical |
| BIS IS 13360-10-6 : 2004 | Identical |
| BS 2782-4.451D(1978) : 1978 AMD 10254 | Identical |
| BS EN ISO 120:1998 | Identical |
| EN ISO 120:1998 | Identical |
| UNE-EN ISO 120:1999 | Identical |
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