LUMEX鲁美科思分析仪器
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分析测试百科网 > 鲁美科思 > 资料下载 > DETERMINATION OF 4-CARBOXYBENZALDEHYDE & ρ-TOLUIC ACID IN PURIFIED TEREPHTHALIC ACID ACCORDING TO ASTM D7881 & ASTM D7882 TEST METHODS
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DETERMINATION OF 4-CARBOXYBENZALDEHYDE & ρ-TOLUIC ACID IN PURIFIED TEREPHTHALIC ACID ACCORDING TO ASTM D7881 & ASTM D7882 TEST METHODS
发布时间：
2022-01-20 13:29
来源：LUMEX鲁美科思分析仪器
| 领域： | 其他 | ||
| 资料类型： | 其他资料 | ||
| 资料文件名 | 下载 |
|---|---|
DETERMINATION OF 4-CARBOXYBENZALDEHYDE & ρ-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-formylbenzoic acid) and ρ-toluic acid(ρ-TOL,4-methylbenzoic acid) in purified terephthalic acid(PTA) by capillary electrophoresis(CE)with normal or reverse voltage mode and UV detection.
