LUMEX鲁美科思分析仪器
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分析测试百科网 > 鲁美科思 > 应用文献 > DETERMINATION OF 4-CARBOXYBENZALDEHYDE & p-TOLUIC ACID IN PURIFIED TEREPHTHALIC ACID ACCORDING TO ASTM D7881 & ASTM D7882 TEST METHODS
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DETERMINATION OF 4-CARBOXYBENZALDEHYDE & p-TOLUIC ACID IN PURIFIED TEREPHTHALIC ACID ACCORDING TO ASTM D7881 & ASTM D7882 TEST METHODS
发布时间：
2022-01-18 09:03
来源：
LUMEX鲁美科思分析仪器
| 领域： | 其他 | ||
| 样品： | 精对苯二甲酸 | 项目： | 检测精对苯二甲酸 |
| 参考： | GBT30921.1-2014 | ||
| 方案文件名 | 下载 |
|---|---|
DETERMINATION OF 4-CARBOXYBENZALDEHYDE & p-TOLUIC ACID IN PURIFIED TEREPHTHALIC ACID ACCORDING TO ASTM D7881 & ASTM D7882 TEST METHODS |
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These test methods cover the determination of 4-carboxybenzaldehyde (4-CBA, 4-formylbenzoic acid) and
p-toluic acid (p-TOL, 4-methylbenzoic acid) in purified terephthalic acid (PTA) by capillary electrophoresis
(CE) with normal or reverse voltage mode and UV detection.
