JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 35 Issue 2
April 2020
Article Contents
MA Geli, SUN Fuyan, ZHONG Haiming, et al. Preparation of deep eutectic solvent by vacuum evaporation and research of its physicochemical property[J]. Journal of Light Industry, 2020, 35(2): 1-6. doi: 10.12187/2020.02.001
Citation: MA Geli, SUN Fuyan, ZHONG Haiming, et al. Preparation of deep eutectic solvent by vacuum evaporation and research of its physicochemical property[J]. Journal of Light Industry, 2020, 35(2): 1-6. doi: 10.12187/2020.02.001 shu

Preparation of deep eutectic solvent by vacuum evaporation and research of its physicochemical property

  • Received Date: 2019-05-28
  • Using oxalic acid and choline chloride as raw materials, the deep eutectic solvent was prepared by vacuum evaporation.The effect of the molar ratio of oxalic acid and choline chloride on the appearance and refractive index of the deep eutectic solvent, and the effect of temperature on the viscosity and conductivity of the deep eutectic solvent were studied.The results showed that the deep eutectic solvent prepared in this experiment were all yellowish, transparent, viscous and uniform stable liquid.With the decrease of the amount of substance ratio of oxalic acid and choline chloride, the refractive index of the deep eutectic solvent increased gradually.At the same amount of substance ratio of oxalic acid and choline chloride, the viscosity of the deep eutectic solvent decreased with the increase of temperature.The conductivity of the deep eutectic solvent increased with the increase of temperature.At the same temperature, the viscosity of the deep eutectic solvent increased with the decrease of the amount of substance ratio of oxalic acid and choline chloride,while the conductivity of the deep eutectic solvent increased first and then decreased with the decrease of the amount of substance ratio of oxalic acid and choline chloride.
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