Octadecyloxyethanol process control detection method

The invention provides an octadecyloxyethanol process control detection method which comprises the following steps: 1) detecting a feed liquid sample containing octadecyloxyethanol by adopting chromatography, recording a chromatogram and obtaining a test result. The method disclosed by the invention can be used for effectively detecting the content of the intermediate octadecyloxyethanol and the impurities thereof, and can be used for detecting the proportion of the impurities in an intermediate sample. 本发明提供了一种十八烷氧基乙醇过程控制检测方法，所述方法包括步骤：1)采用色谱法对含有十八烷氧基乙醇的料液样品进行检测，记录色谱图并得到测试结果。本发明方法可以有效地检测中间体十八烷氧基乙醇极其杂质的含量，此外可以检测中间体样品中杂质的占比情况。