Standard Test Method for
Determination of the Butane Working Capacity of Activated
This standard is issued under the fixed designation D 5228; 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 here Astm D 5228 – 92 (Reapproved 2000) pdf free download