PROFESSOR KOPP ON THE SPECIFIC HEAT OF SOLID BODIES. 
137 
54. Fluoride of Calcium , €a Fl 2 . Cleavage pieces of fluor-spar from Miinsterthal in 
Baden. 
Experiments with Naphtha A. Glass 1. Temperature of the Air 18°-4-19T. 
T. 
T'. 
t'. 
t. 
M. 
m. 
/• 
y- 
X . 
sp. H. 
50-5 
20-7 
20-42 
17-67 
grms. 
26-985 
grms. 
5-675 
grin. 
i 1-56 
0-431 
grm. 
0-651 
0-206 
49-9 
20-4 
20-07 
17-33 
26-94 
„ 
99 
99 
0-208 
50-1 
20-5 
20-22 
17-43 
26-97 
95 
ii 
0-215 
49-9 
20-6 
20-26 
17-53 
26-965 
ii 
99 
99 
0-209 
50-5 
20-8 
20-49 
17-75 
26-98 
„ 
T54 : 
99 
9/ 
0-207 
Mean 
0-209 
Cryolite , A1 Na 3 Fl 6 . Comminuted cryolite from 
Greenland, smartly dried. 
Experiments with Naphtha A. 
Glass 2 
!. Temperature of the Air 19° 
•2-19°-5. 
T. 
T'. 
t'. 
t. 
M. 
m. 
/• 
y- 
X . 
sp. H. 
50-6 
21*5 
21-21 
18-44 
grms. 
26-975 
grms. 
5-55 
grm. 
1-775 
0-431 
grm. 
0-453 
0-243 
50-0 
21-5 
21-15 
18-43 
26-965 
,, 
99 
99 
99 
0-244 
49-6 
21-5 
21-17 
18-53 
26-965 
99 
99 
99 
99 
0-237 
50-6 
21-6 
21-27 
18-56 
26-985 
99 
„ 
99 
99 
0-235 
51-0 
21-6 
21-34 
18-62 
26-99 
99 
1-75* 
„ 
„ 
0-232 
Mean 
0-238 
55. Cyanide of Mercury, Hg C 2 N 2 . Well-dried 
crystals. 
Experiments with Naphtha A. Glass 2. 
Temperature of the Air 
9°-2. 
T. 
T'. 
t'. 
t. 
M. 
m. 
/• 
y- 
X. 
sp. H. 
45-2 
o 
11-2 
10-86 
8-34 
grms. 
26-935 
grms. 
6-555 
grm. 
1-955 
0-431 
grm. 
0-487 
0-100 
47-0 
11-5 
11-23 
8-62 
26-965 
99 
99 
99 
99 
0-098 
49-5 
11-7 
11-43 
8-64 
26-955 
99 
99 
99 
0-099 
43-7 
11-5 
11-22 
8-84 
26-95 
„ 
1-94* 
99 
„ 
0-101 
Mean 
0-100 
Cyanide of Zinc and Potassium , Zn K 2 G 4 N 4 . Distinct crystals. I made four series 
of experiments with this substance. 
Crystals dried in vacuo. 
I. — Experiments with Naphtha A. Glass 2. Temperature of the Air ll°-8-ll°*5. 
T. 
T'. 
t'. 
t. 
M. 
m. 
/• 
V' 
X . 
sp. H. 
44-9 
13-8 
13*53 
11-13 
grms. 
26-96 
grms. 
2-515 
grms. 
2-195 
0-431 
grm. 
0-487 
0-257 
48-0 
13-9 
13-64 
11-13 
26-93 
ii 
99 
99 
99 
0-218 
46-9 
13-9 
13-57 
11-12 
26-94 
„ 
99 
99 
0-225 
45-0 
13-9 
13-63 
11-34 
26-975 
ii 
2-175* 
„ 
99 
0-223 
Mean . . . 0-231 
* After drying the stopper. 
