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ASTM D7883-13
Standard Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Weak Anion Exchange High Performance Liquid ChromatographyMore info
1.1 This test method2 covers the determination of the 4-Carboxybenzaldehyde (4-CBA) and p-Toluic acid (p-TOL) in purified terephthalic acid (PTA) by weak anion exchange 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.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 71.080.40 : Organic acids |
| Number of pages | 5 |
| Set | ASTMVOL0604 |
| Year | 2013 |
| Document history | |
| Country | USA |
| Keyword | ASTM 7883;ASTM D7883;ASTM D7883;10.1520/D7883-13 |