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ASTM D7884-20 PDF Format

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Standard Test Method for Determination of 4-Carboxybenzaldehyde and <emph type="bdit" >p</emph>-Toluic Acid in Purified Terephthalic Acid by Reverse Phase High Performance Liquid Chromatography
standard by ASTM International, 10/01/2020

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Description

1.1”This test method covers the determination of the 4-Carboxybenzaldehyde (4-CBA) and p-Toluic acid (p-TOL) in purified terephthalic acid (PTA) by reverse phase high performance liquid chromatography (HPLC). This method is applicable for 4-CBA from 2 to 500 mg/kg and for p-TOL from 10 to 500 mg/kg, respectively.

Product Details

Published:
10/01/2020
Number of Pages:
6
File Size:
1 file , 120 KB
Redline File Size:
2 files , 280 KB