TAPPI/ANSI T 428 om:2021
Current
The latest, up-to-date edition.
Hot water extractable acidity or alkalinity of paper
Hardcopy , PDF
English
14-10-2021
| DocumentType |
Official Test Method
|
| Pages |
5
|
| PublisherName |
Technical Association of the Pulp & Paper Industry
|
| Status |
Current
|
| Supersedes |
This method, based on the work of Kohler and Hall (1), measures the titratable acidity or alkalinity (end point at pH 7.0) of an aqueous extract of paper (filtered and extracted by boiling water for 1 h).
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