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ISO 120:1977 PDF

ISO 120:1977 PDF

Name:
ISO 120:1977 PDF

Published Date:
10/01/1977

Status:
Active

Description:

Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds - Colorimetric comparison method

Publisher:
International Organization for Standardization

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
SKU:
Choose Document Language:
$16.2
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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.


File Size : 1 file , 220 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 2
Published : 10/01/1977
Same As : ISO 120:1977

History

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