ASTM-D1993 Complete Document History
Standard Test Method for Precipitated Silica-Surface Area by Multipoint BET Nitrogen Adsorption

Complete Current Edition:
   2022 EDITION - Standard Test Method for Precipitated Silica-Surface Area by Multipoint BET Nitrogen Adsorption - Oct. 27, 2022

Obsolete Revision Information:
   2018 EDITION - Precipitated Silica-Surface Area by Multipoint BET Nitrogen Adsorption - June 1, 2018
   2003 R13(E1) EDITION - EDITORIALLY CORRECTED - Feb. 15, 2016
   2003 R13 EDITION - REAPPROVED IN 2013 - Feb. 15, 2014
   2003 R08 EDITION - REAPPROVED IN 2008 - Sept. 1, 2008
   2003 EDITION - Precipitated Silica-Surface Area by Multipoint BET Nitrogen - Jan. 10, 2003
   1991 R97 EDITION - REAPPROVED IN 1997 - May 1, 1991
   1991 EDITION - Precipitated Silica-Surface Area by Multipoint BET Nitrogen - March 15, 1991