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sklademVydáno: 1999-11-15
BS ISO 14849:1999
Plastics. Phenol-formaldehyde mouldings. Determination of free ammonia and ammonium compounds. Indophenol method
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| Označení normy: | BS ISO 14849:1999 |
| Počet stran: | 16 |
| Vydáno: | 1999-11-15 |
| ISBN: | 0 580 35232 3 |
| Status: | Standard |
DESCRIPTION
BS ISO 14849:1999
This standard BS ISO 14849:1999 Plastics. Phenol-formaldehyde mouldings. Determination of free ammonia and ammonium compounds. Indophenol method is classified in these ICS categories:
- 83.080.10 Thermosetting materials
This International Standard specifies a colorimetric comparison method for the determination of the amount of ammonia and ammonium compounds in phenol-formaldehyde mouldings.
NOTE This International Standard does not provide an absolute measure of the amount of ammonia present.
The amount of ammonia in a moulded article is of importance when corrosion of metal inserts or contamination of foodstuffs in contact with the article has to be considered.