ISO 29681:2009
Current
The latest, up-to-date edition.
Paper, board and pulps — Determination of pH of salted water extracts
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English, French
08-12-2009
ISO 29681:2009 specifies a method for the determination of the pH of an aqueous extract of paper, board and pulps, in which the soaking and the measuring are performed in salted water (0,1 M KCl solution).
ISO 29681:2009 is applicable to all kinds of paper, board and pulps, but is specifically applicable to bleached pulps from virgin fibres and to pulp samples having a low ionic strength for which the pH-value using this International Standard will give more realistic results related to mill conditions than those obtained with ISO 6588-1 or ISO 6588-2.
| DevelopmentNote |
Supersedes ISO/DIS 29681. (12/2009)
|
| DocumentType |
Standard
|
| Pages |
8
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| NF ISO 29681 : 2010 | Identical |
| BS ISO 29681:2009 | Identical |
| ISO 6588-1:2012 | Paper, board and pulps — Determination of pH of aqueous extracts — Part 1: Cold extraction |
| BS ISO 6588-1:2012 | Paper, board and pulps. Determination of pH of aqueous extracts Cold extraction |
| ISO 6588-2:2012 | Paper, board and pulps — Determination of pH of aqueous extracts — Part 2: Hot extraction |
| BS ISO 6588-2:2012 | Paper, board and pulps. Determination of pH of aqueous extracts Hot extraction |
| UNE-ISO 6588-2:2013 | Paper, board and pulps. Determination of pH of aqueous extracts. Part 2: Hot extraction |
| UNE-ISO 6588-1:2013 | Paper, board and pulps. Determination of pH of aqueous extracts. Part 1: Cold extraction |
| ISO 6588-1:2012 | Paper, board and pulps — Determination of pH of aqueous extracts — Part 1: Cold extraction |
| ISO 6588-2:2012 | Paper, board and pulps — Determination of pH of aqueous extracts — Part 2: Hot extraction |
| ISO 186:2002 | Paper and board — Sampling to determine average quality |
| AS/NZS 1301.421:2020 | Method of test for pulp and paper Paper, board and pulps - Determination of pH of aqueous extracts - Cold extraction |
| AS/NZS 1301.422:2020 | Method of test for pulp and paper Paper, board and pulps - Determination of pH of aqueous extracts - Hot extraction |
| ISO 7213:1981 | Pulps — Sampling for testing |
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