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Citation: YANG Meng-Lin, QI Zhi-Tao, CHANG Zhu-Guo, HU Ling-Yun. Rapid Measurement of Thermal Conductivity and Concentration of Glycerine-Aqueous Solution[J]. Chinese Journal of Applied Chemistry, ;2002, 19(8): 786-788. shu

Rapid Measurement of Thermal Conductivity and Concentration of Glycerine-Aqueous Solution

1.
a Department of Chemistry, Northwestern University, Xi'an 710069;
2.
b Department of Chemical Engineering, Northwestern University, Xi'an 710069

Corresponding author: YANG Meng-Lin,
Received Date: 26 December 2001
Available Online: 4 May 2002
Fund Project: 陕西省教育厅专项科研基金资助项目(95ky08) (95ky08)

The thermal conductivity of glycerine aqueous solution was measured at 20℃ by means of a transient method with error in parallel analysis <1%. The equation correlating the concentration with thermal conductivity was presented. The time of measurement was 1s. The method avoids the heat convection of liquid sample due to its rapidity and is promising for on-line analysis in production control.
- thermal conductivity,
- transient method,
- glycerine-aqueous solution
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