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About This Item

 

Full Description

Prescribes procedures for the determination of ash content of wood, pulp, paper and board. The revision includes a change to the ashing temperature. There are optional temperatures for paper and board, and the selection of temperature will depend on the purpose of the test. It is common practice to incorporate calcium carbonate into certain papers and boards. A temperature of 900 degrees Celsius will decompose calcium carbonate to calcium oxide, a temperature of 520 degrees Celsius will leave calcium carbonate undecomposed. The user will choose one of these temperatures depending on which form of calcium is required in the residue. The ashing temperature for wood and pulp is now 925 ± 25 degrees Celsius to bring it into line with the high temperature ashing of paper.
 

Document History

  1. AS/NZS 1301.418S:2015


    Methods of test for pulp and paper, Part 418S: Ash content of wood, pulp, paper and board

    • Most Recent
  2. AS/NZS 1301.418S:1994

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    Methods of test for pulp and paper - Ash content of wood, pulp, paper and board

    • Historical Version
  3. AS 1301.P3S-1978


    Methods of test for pulp and paper (metric units) - Ash content of wood and pulp

    • Historical Version
  4. AS P1.P3M-1969


    Methods of test for pulp and paper - Ash content of wood and pulp

    • Historical Version