Standard Test Method for
Semi-Quantitative Field Test Method for Base Number in
New and Used Lubricants by Color-Indicator Titration1
This standard is issued under the fixed designation D 5984; 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 5984 – 97 (Reapproved 2002) pdf free download