Investigation on specific heat capacity and thermal behavior of sodium hydroxyethyl sulfonate

doi:10.1016/j.cjche.2016.11.008

›› 2017, Vol. 25 ›› Issue (3): 319-323.DOI: 10.1016/j.cjche.2016.11.008

• Chemical Engineering Thermodynamics • 上一篇下一篇

Investigation on specific heat capacity and thermal behavior of sodium hydroxyethyl sulfonate

Hongying Hao^1,2, Yadong Zhang¹, Xiaoya Chen¹

1 School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, China;
2 Medical School, HuangHe Science and Technology College, Zhengzhou 450063, China

收稿日期:2016-09-19 修回日期:2016-11-19 出版日期:2017-03-28 发布日期:2017-04-15
通讯作者: Yadong Zhang

Investigation on specific heat capacity and thermal behavior of sodium hydroxyethyl sulfonate

Hongying Hao^1,2, Yadong Zhang¹, Xiaoya Chen¹

1 School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, China;
2 Medical School, HuangHe Science and Technology College, Zhengzhou 450063, China

Received:2016-09-19 Revised:2016-11-19 Online:2017-03-28 Published:2017-04-15

摘要/Abstract

摘要： The thermal decomposition process was studied by the TG-DTA analyzer. The results show that the decomposition process of sodiumhydroxyethyl sulfonate consisted of three stages:themass loss for the first, the second and third stagesmay be about the groups of CH₃CH₂OH, CH₃CHO and SO₂ volatilized, respectively. The decomposition residuum of three stages was analyzed by FT-IR, and the results of FT-IR agreed with the decomposition process predicted by theoreticalweight loss. The specific heat capacity of sodiumhydroxyethyl sulfonatewas determined by differential scanning calorimetry (DSC). The melting temperature and melting enthalpy were obtained to be 465.41 K and 25.69 kJ·mol^-1, respectively. The molar specific heat capacity of sodium hydroxyethyl sulfonate was determinated from 310.15 K to 365.15 K and expressed as a function of temperature.

关键词: Sodium hydroxyethyl sulfonate, Melting temperature, Specific heat capacity, Thermal decomposition

Abstract: The thermal decomposition process was studied by the TG-DTA analyzer. The results show that the decomposition process of sodiumhydroxyethyl sulfonate consisted of three stages:themass loss for the first, the second and third stagesmay be about the groups of CH₃CH₂OH, CH₃CHO and SO₂ volatilized, respectively. The decomposition residuum of three stages was analyzed by FT-IR, and the results of FT-IR agreed with the decomposition process predicted by theoreticalweight loss. The specific heat capacity of sodiumhydroxyethyl sulfonatewas determined by differential scanning calorimetry (DSC). The melting temperature and melting enthalpy were obtained to be 465.41 K and 25.69 kJ·mol^-1, respectively. The molar specific heat capacity of sodium hydroxyethyl sulfonate was determinated from 310.15 K to 365.15 K and expressed as a function of temperature.

Key words: Sodium hydroxyethyl sulfonate, Melting temperature, Specific heat capacity, Thermal decomposition

Hongying Hao, Yadong Zhang, Xiaoya Chen. Investigation on specific heat capacity and thermal behavior of sodium hydroxyethyl sulfonate[J]. , 2017, 25(3): 319-323.

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Investigation on specific heat capacity and thermal behavior of sodium hydroxyethyl sulfonate

Investigation on specific heat capacity and thermal behavior of sodium hydroxyethyl sulfonate

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