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ASTM D7881-13
Standard Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Capillary Electrophoresis with Reverse Voltage ModeMore info
1.1 This test method2 covers the determination of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL) in purified terephthalic acid (PTA) by capillary electrophoresis (CE) with reverse voltage mode and UV detection. It is applicable for 4-CBA from 3 to 400 mg/kg and for p-TOL from 8 to 400 mg/kg, respectively.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 71.080.40 : Organic acids |
| Number of pages | 7 |
| Set | ASTMVOL0604 |
| Year | 2013 |
| Document history | |
| Country | USA |
| Keyword | ASTM 7881;ASTM D7881;ASTM D7881;10.1520/D7881-13 |