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Citation: Yan Haike, Gu Jian u, Hu Rihen. SUBLIMATION CALORIMETER AND THE MEASUREMENT OF ENTHALPIES OF VAPORIZATION AND SUBLIMATION OF TRICHLOROBENZENES[J]. Acta Physico-Chimica Sinica, ;1985, 1(06): 543-546. doi: 10.3866/PKU.WHXB19850607 shu

SUBLIMATION CALORIMETER AND THE MEASUREMENT OF ENTHALPIES OF VAPORIZATION AND SUBLIMATION OF TRICHLOROBENZENES

1.
Chemical Thermodynamic and Thermochemical Laboratory Institute of Chemistry, Academia Sinica, Beijing

Received Date: 3 April 1985
Available Online: 15 December 1985

A sublimation calorimeter has been constructed in our laboratory for solid compounds in pressure range≥0.1 mmHg at 298.15 K. Using this calorimeter and LKB 8700 vaporization calorimeter, the enthalpies of vaporization, ΔH, or the enthalpies of sublimation, ΔH_(sub), of trichorohenzens were measured to be;
Compound ΔH(kJmol)~(-1) ΔH_(sub)(kJmol~(-1))
Water 43.72±0.18
n-Decane 51.21±0.25
Naphthalene 73.26±0.92
1,2,3-Trichlorobenzene 75.14±0.75
1,2,4-Trichlorobenzene 55.06±0.50
1,3,5-Trichlorobenzene 72.68±0.50
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