ASTM-D4222 › Complete Document History
Standard Test Method for Determination of Nitrogen Adsorption and Desorption Isotherms of Catalysts and Catalyst Carriers by Static Volumetric Measurements

Complete Current Edition:
   2020 EDITION - Desorption Isotherms of Catalysts and Catalyst Carriers by Static Volumetric Measurements - Nov. 3, 2020

Obsolete Revision Information:
   2003 R15(E1) EDITION - EDITORIALLY CORRECTED - Aug. 15, 2015
   2003 R08 EDITION - REAPPROVED IN 2008 - April 1, 2008
   2003 EDITION - VOLUMETRIC MEASUREMENTS, STAND - Oct. 1, 2003
   1998 EDITION - STATIC VOLUMETRIC MEASUREMENTS - March 10, 1998
   1991 EDITION - DETERMINATION OF NITROGEN ADSO - March 15, 1991
   1990 EDITION - DETERMINATION OF NITROGEN ADSO - Nov. 30, 1990
   1983 EDITION - DETERMINATION OF NITROGEN ADSO - Jan. 28, 1983