COMPLETE EREEZING-POINT CURVES OE BINARY ALLOYS. 
49 
Table VTTa. —Freezing Points of Alloys made by adding Tin to Copper. 
Series 3.—147’6 grams Copper. 
(L) 
(2.) 
(3.) 
(4.) 
Total weig’ht of 
tin present. 
1 
Percentage of tin. 
Atomic 
percentage of tin. 
Freezing- point 
on tlie Centigrade 
scale. 
.52-40 
26-20 
15-99 
789-2* 
56-42 
27-66 
17-01 
777-9* 
61-42 
29-.39 
18-24 
763-9 
66-43 
31-04 
19-45 
750-1 
68-27 
31-63 
19-87 
745-4 A 
742-7 B 
68-77 
31-79 
19-99 
744-6 
69-27 
31-94 
20-11 
743-8 
70-29 
32-26 
20-34 
742-5 
78-63 
34-76 
22-22 
736-1 
86-96 
37-08 
24-00 
731-1 
91-47 
.38-26 
24-94 
728-1 
95-97 
39-40 
•25-85 
724-9 
100-48 
40-51 
26-74 
721-1 
i 
Up to 20 atomic per cents, of tin there was abundant precipitate just at or after 
the reading of the freezing point. 
After 20 atomic per cents, of* tin the readings became very steady. 
The freezing points A and B are for the same alloy. They indicate different 
phenomena. 
Table VIIa.—F reezing Points of Alloys made by adding Tin to Copper. 
Series 4.—200 grains Copper. 
(L) 
Total weight of 
; tin present. 
1 
(2.) 
I’ercentage of tin. 
(3.J 
Atomic 
percentage of tin. 
(4.) 
Freezing point 
on the Centigrade 
scale. 
0 
0 
0 
1083-9 
41-46 
17-17 
10 
928-9 
54-05 
21-28 
12-65 
867-5 
58-80 
22-72 
13-61 
845-0 
62-81 
23-90 
14-41 
825-5 
65-81 
24-76 
15-00 
809-4 A 
794-3 B 
68-81 
25-60 
15-57 
795-0 
71-89 
26-44 
16-15 
788-4 
82-07 
■29-10 
18-03 
767-5 
87-30 
30-39 
18-96 
756-7 C i 
5? 
5) 
745-8 D 
* Surfnsion was noticed. 
MDCCCXCVII.—A. 
H 
