Determination of 2-methylfuran and 2-methyltetrahydrofuran in catalytic hydrogenation reaction by standard curve method
Lin Tao, Zhang Bingliang*, Cheng Jie, Wan Kerou, Zeng Lihui, Gao Wu, Zeng Yongkang, Zhang Zhixiang
Shaanxi Engineering Research Center of Noble Metal Catalyst,Kaili catalyst & New Materials Co.,Ltd.,Xi’an 710201,Shaanxi,China
Abstract
Standard curve method was established for determination of 2-methylfuran and 2-methyltetrahydrofuran in catalytic hydrogenation reaction by gas chromatography.In selected operating conditions,ethanol,2-methylfuran and 2-methyltetrahydrofuran were separated well.Maximum mass fractions of 2-methylfuran and 2-methyltetrahydrofuran were less than 21.00%.The linear relations between mass fractions and peak areas were good.The linear correlation coefficients were all above 0.999.The recovery of the two components were 95.72%-105.00%.The relative standard deviations were all less than 2.10%.The established standard curve method was used in catalytic hydrogen of 2-methylfuran to 2-methyltetrahydrofuran.The results obtained by this method were consistent with theoretical conclusions.The proposed method was simple, accurate and convenient for determining the contents of 2-methylfuran and 2-methyltetrahydrofuran in catalytic hydrogenation reaction.
Keyword:
chromatographic analysis; gas chromatography; standard curve method; 2-methylfuran; 2-methyltetrahydrofuran
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