2－氰基－4－硝基苯胺的薄层色谱紫外光度分析

Determination of 2-Cyano-4-Nitroani-line by Thin Layer Chromatography and Ul-traviolet Photometry

本文应用薄层色谱紫外光度法，测定了产品中的主要成分２－氰基－４－硝基苯胺和杂质，得到了满意的分析结果。与经典化学法比较，这种方法具有简单、快速、精确的特点。回收率９９％～１０１％，相对标准偏差０．７％～１．１％，２－氰基－４－硝基苯胺含量在０～１３５μｇ／２５ｍＬ范围内遵守比耳定律。

vano-4-nitroannine in its syntheticproduct was determined by thin layer chro-matography and ultraviolet photometry.Thismethod has been used to the determinationof major composition and impurity in productwith satisfactory results. Compared withclassical chemical methods,it is simple,rapidand accurate.The recovery is 99%～101%.The relative standard deviation is 0.7%～1.1%. Beer’s law is obeyed for 0～135μg/25mL