ASTM-D4937 › Complete Document History
Standard Test Method for p-Phenylenediamine Antidegradants Purity by Gas Chromatography

Complete Current Edition:
   1996 R21 EDITION - REAPPROVED IN 2021 - Dec. 30, 2021

Obsolete Revision Information:
   1996 R17 EDITION - REAPPROVED IN 2017 - July 1, 2017
   1996 R12 EDITION - REAPPROVED IN 2012 - July 15, 2012
   1996 R06(E1) EDITION - EDITORIALLY CORRECTED - April 1, 2006
   1996(E1) EDITION - PARAGRAPH1.3 ADDED EDITORIALLY - Aug. 1, 1996
   1996 R01 EDITION - REAPPROVED IN 2001 - June 10, 1996
   1996 EDITION - P-PHENYLENEDIAMINE ANTIDEGRADA - June 10, 1996
   1991 EDITION - P-PHENYLENEDIAMINE ANTIDEGRADA - May 15, 1991
   1989 EDITION - P-PHENYLENEDIAMINE ANTIDEGRADA - April 28, 1989