Standard Test Method for Chromic Oxide in Basic Chromium Tanning Liquors1
This standard is issued under the fixed designation D 3898; 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 to download ASTM D 3898 – 93 pdf free