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Citation: Wang Jingmian, Xue Jishen Wuhan. DETERMINATION OF MELTING POINTS AND PHASE DIAGRAMS BY LOW TEMPERATURE DTA METHODS[J]. Chinese Journal of Applied Chemistry, ;1986, 3(4): 69-71. shu

DETERMINATION OF MELTING POINTS AND PHASE DIAGRAMS BY LOW TEMPERATURE DTA METHODS

1.
Institute of Botany, Academia Sinica

Received Date: 10 October 1985
Available Online: 3 February 1986

The melting points of eight known compounds have been determined by DTA at the temperature ranging from 50℃ to -150℃. The results are accurate to ±1℃. The melting points of dioxane and cyclohexane,as reported in the literature, are 11℃ and 6.5℃, but another ones have been found by this method at 1℃ and -86℃,respectively. It is considered to be related to the conformations of the two compounds. Phase diagrams for two component system have also been obtained using low temperature DTA technique.
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