| 高效液相色谱分析对-羟基苯甲酸 |
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| 引用本文： | 周瑞山,张坚,苏松.高效液相色谱分析对-羟基苯甲酸[J].分析测试学报,1988(3). |
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| 作者姓名： | 周瑞山 张坚 苏松 |
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| 作者单位： | 化学工业部晨光化工研究院一分院
(周瑞山，张坚)，化学工业部晨光化工研究院一分院(苏松) |
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| 摘 要： | 对-羟基苯甲酸是常用的化学试剂和化工原料,其质量的优劣主要取决于邻、间位杂质含量。对-羟基苯甲酸分析主要是采用高效液相色谱法。分析对-羟基苯甲酸的主要困难在于对位和间位异构体的分离,大量的对-羟基苯甲酸易于掩盖间-羟基苯甲酸出峰。本工作采用吸附色谱,以含乙酸的二氯甲烷-乙醇为流动相,使邻、间、对-羟基苯甲酸获得了较好的分离。柱后通过双紫外检测器串联进行测定。
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Analysis of P-hydroxybenzoic Acid by High Performance Liquid Chromatography |
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| Zhou Ruishan,Zhang Jian,Su Song Chenguan Institute of Chemical Industry,Fushun,Sichuan.Analysis of P-hydroxybenzoic Acid by High Performance Liquid Chromatography[J].Journal of Instrumental Analysis,1988(3). |
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| Authors: | Zhou Ruishan Zhang Jian Su Song Chenguan Institute of Chemical Industry Fushun Sichuan |
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| Abstract: | HPLC Procedure was used for the determination of P-hydroxybenzoic acid with O- and mi-somers Seperations were made on Zorbax Sil column using dichloromethane-ethanol-acetic acidas the mobile phase, and fractions were determined by double UV detectors at 254nm and 300nmrespectively. |
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| Keywords: | High Liquid Chromatography o-hydroxybenzoic acid p-hydroxybenzoic acid m-hydroxybenzoic acid |
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