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About This Item


Full Description

1. Purpose and Scope

1.1 This test method provides a method for the determination of the presence of mercerization in dyed and undyed cotton yarns and fabrics. In addition, the test will give an indication of the completeness of the reaction between the cotton and the mercerization bath.

2. Principle

2.1 Carefully scoured specimens of the cotton to be tested and unmercerized cotton are immersed in separate baths of barium hydroxide for a definite time period. Aliquot portions of each soaking bath and of fresh barium hydroxide solution are then titrated with hydrochloric acid. 2.2 The ratio of the amount of barium hydroxide absorbed by the mercerized specimen to that absorbed by the unmercerized specimen multiplied by 100 gives the barium activity number.


Document History

  1. AATCC 89-2019

    Mercerization in Cotton

    • Most Recent
  2. AATCC 89-2017

    Mercerization in Cotton

    • Historical Version
  3. AATCC 89-2012

    Mercerization in Cotton (Editorial Revision and Reaffirmed - 2012)

    • Historical Version
  4. AATCC 89-2008

    Mercerization in Cotton (Editorial Revision 2009)

    • Historical Version
  5. AATCC 89-2008


    Mercerization in Cotton

    • Historical Version
  6. AATCC 89-2003

    Mercerization in Cotton

    • Historical Version