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叙述了以１－氯－４－硝基苯为原料合成标准物质Ｎ－甲基对硝基苯胺的方法，并且用重结晶的方法纯化，得到的标准物质用特定的分析方法定值。
A method for the synthesis of N-methyl-p-nitroaniline as a standard starting from 1-chloro-4-nitrobenzene is described and purified by recrystallization. The resulting reference material is characterized by a specific analytical method.