AATCC Test Method 89-2012
Mercerization in Cotton
Developed in 1958 by AATCC Committee RA66; Transferred to AATCC Committee RA34 in 2009
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.
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.
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