- See also WK81590 proposed revision
- See also WK90114 proposed revision
D4607-14(2021) Standard Test Method for Determination of Iodine Number of Activated Carbon
D5029-98(2020) Standard Test Method for Water Solubles in Activated Carbon
- See also WK89829 proposed revision
D6385-22 Standard Test Method for Determining Acid-Extractable Content in Activated Carbon by Ashing
D6647-18 Standard Test Method for Determination of Acid Soluble Iron via Atomic Absorption
- See also WK89827 proposed reapproval
D6851-20 Standard Test Method for Determination of Contact pH with Activated Carbon
- See also WK89828 proposed reapproval