Work Item
ASTM WK86245

Revision of D7884-20 Standard Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Reverse Phase High Performance Liquid Chromatography

Rationale

D7884 will be revised to improve the separation of 4-CBA from PTA by using gradient elution mode and to improve the sensitivity of the method with increased sample concentration.

Details

Developed by Subcommittee: D16.02

Committee: D16

Staff Manager: Stephen Mawn

Work Item Status

Date Initiated: 05-05-2023

Technical Contact: Yuhong Zhang

Item: 000

Ballot:

Status: