Determination of the Reaction Product of Catalytic Hydrogenation of Nitrobenzene by High Performance Liquid Chromatography

Journal of Petrochemical Universities ›› 2010, Vol. 23 ›› Issue (2): 47-49.

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Determination of the Reaction Product of Catalytic Hydrogenation of Nitrobenzene by High Performance Liquid Chromatography

Liaoning Key Laboratory of Petrochemical Engineering, Liaoning Shihua University, Fushun Liaoning 113001, P.R.China

Received:2010-03-12 Published:2010-06-25 Online:2010-06-25

高效液相色谱法测定硝基苯催化加氢的反应产物

宋威,张晓彤,张翻,张宇,孙丽娜,宋丽娟

辽宁石油化工大学辽宁省石油化工重点实验室, 辽宁抚顺113001

作者简介:宋威(1983 -), 女, 河北衡水市, 在读硕士
基金资助:
辽宁省教育厅科学技术研究项目(20060501)

Abstract

Abstract:

The reaction product of catalytic hydrogenation of nitrobenzene was determined by high performance liquid chromatography and UV detection. The reaction solution of catalytic hydrogenation of nitrobenzene was filtered by the microporous filter membrane（water system） which was 0.45 μm, and then the samples diluted with methanol were injected. The qualitative analysis of the experiment was used retention qualitative method comparing directly with the known standard material, the quantitative analysis was used external standard method. The linear regression equations of nitrobenzene, aniline and p-aminophenol are obtained from experiments, and the correlation coefficients are 0.998 6, 0.999 8 and 0.999 9, the detection limit is 2.0,20.0 mg/L and 21.0 mg/L, the coefficient of recoveries of them are 97.6%, 97.5% and 98.1%, the precisions expressed in relative standard deviation are 0.62, 0.77 and 0.36 respectively. This method is quick, accurate and simple and does not require sample pretreatment, experimental results are satisfactory comparatively.

Key words:

High performance liquid chromatography, , Catalytic hydrogenation, , Aniline, , Nitrobenzene, , p-Aminophenol

摘要： 采用高效液相色谱和紫外检测器对硝基苯催化加氢的反应产物进行检测。硝基苯催化加氢后的反
应液用0 .45 μm 的微孔过滤膜(水系)进行过滤, 然后用甲醇稀释后进样。实验利用直接与已知标准物对照的保留
值定性方法进行定性分析, 采用外标法进行定量分析, 通过实验求得了硝基苯、苯胺和对氨基苯酚的线性回归方
程, 相关系数分别为0.998 6 、0 .999 8 和0.999 9, 方法检测限分别为2.0、20 .0、21 .0 mg/ L, 三者的回收率分别为
97 .6 %、97.5%和98 .1%, 以相对标准偏差表示的精密度分别为0 .62、0.77 和0.36 。所建立的方法迅速准确简单,
不需要对样品进行预处理, 实验结果比较令人满意。

关键词: 高效液相色谱 , 催化加氢 , 苯胺 , 硝基苯 , 对氨基苯酚

SONG Wei, ZHANG Xiao-tong, ZHANG Fan, et al. Determination of the Reaction Product of Catalytic Hydrogenation of Nitrobenzene by High Performance Liquid Chromatography[J]. Journal of Petrochemical Universities, 2010, 23(2): 47-49.

宋威,张晓彤,张翻. 高效液相色谱法测定硝基苯催化加氢的反应产物[J]. 石油化工高等学校学报, 2010, 23(2): 47-49.

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Determination of the Reaction Product of Catalytic Hydrogenation of Nitrobenzene by High Performance Liquid Chromatography

高效液相色谱法测定硝基苯催化加氢的反应产物

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