Citation: Zuan Guang CHEN, Peng LIU, Min Sheng ZRANG. Dual Differential Thermal Analysis and Instrument[J]. Chinese Chemical Letters, ;1997, 8(6): 527-528. shu

Dual Differential Thermal Analysis and Instrument

Department of Chemistry, Sun Yat-sen University of Medical Sciences, Guanghou 510089

Received Date: 24 February 1997

A new method of differential thermal analysis and instrument were developed.The solution and pure solvent were placed in a cooling bath whose temperature was decreased by a semiconductor chip.Three detectors were used to sense the temperature (Ts,Tr and Tw) of solution (S),pure solvent (R) and cooling bath (W).When (Tr-Ts)-(Ts-Tw) presented maximum,(Tr-Ts) was the freezing point depression of the solution which was proportional to the concentration of solution.An instrument for the method was designed.
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