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Citation: LI Tingting, PIAO Yingai, ZHANG Jing, FENG Jingdong, SUN Yantao. Experimental Design and Exploration of Separating n-Hexane and Cyclohexane by GC[J]. University Chemistry, ;2019, 34(7): 73-78. doi: 10.3866/PKU.DXHX201901021 shu

Experimental Design and Exploration of Separating n-Hexane and Cyclohexane by GC

1.
College of Chemistry, Jilin Normal University, Siping 136000, Jilin Province, P. R. China;
2.
Analysis and Testing Center, Yanbian University, Yanji 133002, Jilin Province, P. R. China;
3.
Middle School of Experimental High School, Meihekou 135000, Jilin Province, P. R. China

Received Date: 18 January 2019

The experiment of separating low toxic n-hexane and cyclohexane by traditional gas chromatography was improved with orthogonal experimental design. The effect of sample quantity, vaporization chamber temperature, detector temperature, column temperature, line velocity and separability of the split ratio were examined. Through the experiment, students could understand the use and maintenance of gas chromatography instruments. At the same time, they could understand separability and column efficiency of chromatography.
- Gas chromatography,
- Orthogonal experimental design,
- n-Hexane,
- Cyclohexane
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