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ISO 1061:1990 PDF

ISO 1061:1990 PDF

Name:
ISO 1061:1990 PDF

Published Date:
11/01/1990

Status:
Active

Description:

Plastics - Unplasticized cellulose acetate - Determination of free acidity

Publisher:
International Organization for Standardization

Document status:
Active
Format:
Electronic (PDF)
Delivery time:
10 minutes
Delivery time (for Russian version):
200 business days
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Choose Document Language:
$16.2
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The free acidity determined by this method includes acidity extractable by water and acidity due to acidic groups directly attached to the cellulose acetate, e.g. carboxyl groups. This method is not suitable for cellulose acetate containing any additives which may affect the test. The principle consists in treating a test portion of cellulose acetate with water and titrating the resultant solution with sodium hydroxide solution. The free acidity is calculated as the percentage, by mass, of free acetic acid in the cellulose acetate. This second edition cancels and replaces the first edition ISO 1061:1975, of which it constitutes a minor technical revision.


File Size : 1 file , 240 KB
Note : This product is unavailable in Ukraine, Russia, Belarus
Number of Pages : 2
Published : 11/01/1990
Same As : ISO 1061:1990

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