Standard Test Method for
P-Phenylenediamine Antidegradants—Purity by High
Performance Liquid Chromatography1
This standard is issued under the fixed designation D 5666; 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.
click below Astm D 5666 – 95 (Reapproved 2000) pdf free download
click here Astm D 5665 – 99a pdf free download