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About This Item

 

Full Description

This Standard sets out a method to determine the pH of an aqueous extract of paper, board or pulp, which is obtained by using a hot extraction method.
 

Document History

  1. AS/NZS 1301.422:2020


    Method of test for pulp and paper, Method 422: Paper, board and pulps - Determination of pH of aqueous extracts - Hot extraction

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  2. AS/NZS 1301.422S:2007

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    Methods of test for pulp and paper, Method 422S: Determination of the pH value of aqueous extracts of paper, board and pulp - Hot extraction method

    • Historical Version
  3. AS/NZS 1301.422S:1998


    Methods of test for pulp and paper, Method 422S: Determination of the pH value of aqueous extracts of paper, board and pulp - Hot extraction method

    • Historical Version
  4. AS 1301.422S-1991


    Methods of test for pulp and paper, Method 422S: Determination of the pH value of aqueous extracts of paper, board and pulp - Hot extraction method

    • Historical Version
  5. AS 1301.P422M-1973


    Methods of test for pulp and paper (metric units), Method P422M: Determination of the pH value of aqueous extracts of paper - Hot extraction method

    • Historical Version
  6. AS P1.P422M-1964


    Methods of test for pulp and paper - Determination of the pH value of aqueous extracts of paper - Hot extraction method

    • Historical Version