MEASUREMENT OF THE VAPOR-PRESSURE OF SEVERAL LOW-VOLATILITY ORGANOCHLORINE CHEMICALS AT LOW-TEMPERATURES WITH A GAS SATURATION METHOD

被引:59
作者
WANIA, F [1 ]
SHIU, WY [1 ]
MACKAY, D [1 ]
机构
[1] UNIV TORONTO,DEPT CHEM ENGN & APPL CHEM,TORONTO M5S 1A4,ONTARIO,CANADA
关键词
D O I
10.1021/je00015a039
中图分类号
O414.1 [热力学];
学科分类号
摘要
The vapor pressures of hexachlorobenzene, gamma-hexachlorocyclohexane, p,p'-DDT, i.e., 1,1-bis(4-chlorophenyl)-2,2,2-trichloroethane, 4-monochlorobiphenyl, 4,4'-dichlorobiphenyl, 2,3,4,5-tetrachlorobiphenyl and 2,2',4,4',6,6'-hexachlorobiphenyl were measured in the temperature range -30 to +40-degrees-C with a gas saturation technique. Coefficients describing the temperature dependence of these vapor pressures are reported. Enthalpies of sublimation derived from these data show no significant temperature dependence in the temperature range investigated.
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页码:572 / 577
页数:6
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