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ISO 29681:2009

Paper, board and pulps — Determination of pH of salted water extracts

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 29681:2009
Document Year: 2009
Pages: 8
Edition: 1
  • Section Volume:
  • ISO/TC 6. Paper, board and pulps

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ISO 29681:2009
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