170

FLUIDITY AND PLASTICITY

than the calculated values. This is also in marked contrast to
the case of carbon tetrachloride and benzene.

TABLE XLIV.—THE FLUIDITIES OF MIXTURES OF METHYL IODIDE AND
CARBON DISULPHIDE (FROM THORPE ANX> RODGER)

Temperature
Per cent carbon disulphide by weight

0
21.60
38.81
48.11
68.81
82.39
100

Per cent carbon disulphide by volume

0
32.22
53.39
62.61
79.94
89.42
100

0
168.3 168.6
193.1 193.0 192.3
207.5 207.5 207.6
213.2 212.5 213.3
222.7 223.1 223.0
228.3 228.7 228.4
232.8 233.1
Observed Calculated, Batschinaki Calculated, Gibson

10
186.6 186.2
211.4 211.3 211.1
225.7 225.6 225.7
225.9 230.5 230.0
242.1 241.6 242.0
248.1 248.0 248.0
253.0 252.1
Observed Calculated, Batschinski Calculated, Gibson

20
205.3 205.3
230.9 230.4 229.2
243.9 243.8 244.0
248.1 248.5 248.2
261.8 260.6 262.0
268.1 268.0 268.0
272.5 271.9
Observed Calculated, Batschinski Calculated, Gibson

30
224.8 224.7
250.6 250.2 250.8
263.2 262.8 263.2
267.4 267.0 268.0
280.1 280.0 281.0
288.2 288.2 288.0
293.5 292.2
Observed Calculated, Batschinski Calculated, Gibson

40
244.7 244.8
271.0 270.2 270.8
282.5 282.3 282.6
285.7 286.2 286.0
299.4 300.1 300.0
309.6 309.8 309.5
314.0 313.4
Observed Calculated, Batschinski Calculated, Gibson

Value of u> from mixtures. . . . from solvents ----
0.38081
0.4405 0.4420
0.4855 0.4908
0.5096 0.5171
0.5722 0.5758
0.6161 0.6143
0.6642

Value of k from mixtures.. . . from solvents
3.5271
3,040 3,224
2,633 2,982
2,465 2,852
2,341 2,561
2,322 2,370
2,123

1 Using the densities of Thorpe and Rodger we have recalculated these constants, instead
of taking the values of Batschinaki.
When there was a volume change on mixing, Gibson assumed
that the specific volumes vi and #2 were not the same as for the