Work Item
ASTM WK94719
Revision of D7884-24 Standard Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Reverse Phase High Performance Liquid Chromatography
Rationale
A new method with gradient elution mode was added to D7884-24. The precision section of the standard related to the gradient elution mode needs to be updated with the results of the ILS program completed in 2024.
Work Item Status
Date Initiated: 04-27-2025
Technical Contact: Yuhong Zhang