Standard Test Method for
pH of Fatty Quaternary Ammonium Chlorides1
This standard is issued under the fixed designation D 2081; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This method was prepared jointly by the American Society for Testing and Materials and the American Oil Chemists’ Society.
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