ON EVAPORATION AND DISSOCIATION. 
93 
VI. Temperature, 320° (tube re-filled). Rate, 0 - 683 millim. per minute. 
Pressure read. 
Time x rate. 
Pressure recalculated. 
Time. 
millims. 
millions. 
447T 
0 
447-1 
0 
465T 
25-3 
439-8 
37 
510-0 
58-8 
451-2 
86 
554-5 
102-5 
452-0 
150 
610-0 
164-0 
446-0 
240 
66-2-5 
225-5 
437-0 
330 
706-3 
266-5 
439-8 
390 
VII. Temperature, 320° (large amount of vapour allowed to escape). Rate, 
0 - 297 millim. per minute. 
Pressure read. 
Time x rate. 
Pressure recalculated. 
Time. 
millims. 
millims. 
/ 
438-4 
0 
438-4 
0 
447-1 
8-9 
438-2 
30 
458-1 
26-7 
431-4 
90 
477-5 
49-0 
428-5 
165 
517-8 
78-7 
438-3 
265 
VIII. Temperature, 320°. Rate, 0-2142 millim. per minute. 
Pressure read. 
Time x rate. 
Pressure recalculated. 
Time. 
millims. 
millims. 
/ 
438-4 
0 
438-4 
0 
445-4 
5-1 
440-3 
24 
461-3 
23-3 
438-0 
109 
478-4 
43-7 
434-7 
204 
496-0 
58-7 
437-3 
274 
511-8 
71-5 
440-3 
334 
IX. Temperature, 340°. Rate, after about 20', 0’495 millim. per minute. 
. 
Pressure read. 
1 
Time x rate. 
Pressure recalculated. 
Time. 
i millims. 
millims. 
, 
728-1 
0 
728-1 
0 
765-7 
6-4 
759-3 
13 
784-3 
17-3 
767-0 
35 
806-6 
34-6 
772-0 
70 
813 8 
52-0 
761-8 
105 
825-2 
54-4 
770-8 
110 
838-8 
1 
71-8 
767-0 
145 
