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Title: Shock compression data for liquids. III. Substituted methane compounds, ethylene glycol, glycerol, and ammonia

Journal Article · · J. Chem. Phys.; (United States)

Hugoniot data are presented for the liquid forms of the substituted methanes: dichloromethane, dibromomethane, di-iodomethane, and chloroform: ethylene glycol, glycerol, and ammonia. High explosive techniques were used to cover the range of dynamic pressures of 0.7 to 82.0 GPa. Chloroform transforms to a new form at 25.0 GPa pressure. Di-iodomethane data indicate a low pressure transition at 2.3 GPa and a second transition at a pressure greater than 66.0 GPa. The shock velocity--particle velocity (U/sub s/--U/sub p/) data for these two liquids are best represented by a linear relationship over the various forms. The U/sub s/--U/sub p/ data for dichloromethane, dibromomethane, ethylene glycol, and glycerol are best fit by a quadratic expression in U/sub p/. Ammonia U/sub s/--U/sub p/ data fit a linear relationship. Only dibromonethane and ammonia U/sub s/--U/sub p/ curves extrapolate to the known sound speed. The others intercept at values that are 13% to 33% higher than the measured sound speed, indicative of low pressure transitions.

Research Organization:
Los Alamos Scientific Laboratory, Los Alamos, New Mexico 87545
OSTI ID:
6401120
Journal Information:
J. Chem. Phys.; (United States), Vol. 74:7
Country of Publication:
United States
Language:
English