166 
PROFESSOR KOPP ON THE SPECIFIC HEAT OF SOLID BODIES. 
80. Formiate of Baryta, G 2 H 2 Ba 0 4 . Beautiful clear crystals dried at 100°. 
Experiments with Naphtha B. Glass 3. Temperature of the Air 18 0 *5-18°*8. 
T. 
T'. 
t'. 
t. 
M. 
m. 
/• 
y- 
X. 
sp. H. 
o 
or- 1 
20*6 
20*31 
17*93 
grms. 
26*98 
grms. 
6*91 
grm. 
1*615 
0*419 
grm. 
0*453 
0*142 
53*1 
20*7 
20*40 
17*85 
26*94 
55 
55 
„ 
„ 
0*143 
51*8 
20*7 
20*41 
17*95 
26*97 
55 
55 
55 
55 
0*145 
52*4 
20*7 
20*38 
17*93 
26*99 
55 
1*58* 
55 
55 
0*141 
Mean . . . 0T43 
Crystallized Neutral Oxalate of Potass, C 2 K 2 0 4 +H 2 O. Air-dried transparent crystals, 
which remained clear in the experiments made with them. 
T. 
T'. 
t'. 
t. 
M. 
m. 
/■ 
y- 
X. 
sp. H. 
O 
0 
0 
0 
grms. 
grms. 
grm. 
grm. 
49*4 
19*3 
19*00 
16*52 
26*995 
3*57 
1*765 
0*419 
0*651 
0*233 
49*3 
19*4 
19*12 
16*62 
26*95 
„ 
55 
55 
55 
0*241 
49*0 
19*5 
19*15 
16*72 
26*945 
„ 
55 
55 
55 
0*232 
50*0 
19*6 
19*26 
16*73 
26*97 
„ 
1*755* 
„ 
55 
0*240 
Mean . . . 0*236 
Crystallized Oxalate of Potass (quadroxalate), C 2 H K 0 4 +C 2 H 2 0 4 + 2 H 2 O. Crystals 
dried in the air, which were also clear after the experiments. 
Experiments with Naphtha B. Glass 3. Temperature of the Air 16°‘7-16°*9. 
T. 
T'. 
t'. 
t. 
M. 
m. 
/• 
y- 
X. 
sp. H. 
0 
0 
o 
0 
grms. 
grms. 
grm. 
grm. 
50*1 
18*6 
18*34 
15*77 
26*965 
3*375 
1*76 
0*419 
0*453 
0*283 
49*8 
18*7 
18*42 
15*86 
26*98 
„ 
„ 
55 
55 
0*288 
50*2 
18*8 
18*45 
15*91 
26*98 
55 
„ 
55 
55 
0*278 
50*3 
18*7 
18*43 
15*86 
26*95 
55 
1*745 
* 
55 
„ 
0*282 
Mean . . . 0*283 
Acid Tartrate of Potass, G 4 H 5 K0 6 . Crystals dried at 100°. 
Experiments with Naphtha B. Glass 3. Temperature of the Air 16°*6-16°*8. 
T. 
T'. 
t'. 
t. 
M. 
m. 
/• 
y- 
X . 
sp. H. 
O 
o 
0 
o 
grms. 
grms. 
grm. 
grm. 
50*8 
18*6 
18*32 
15*73 
26*965 
3*89 
1*69 
0*419 
0-453 
0*259 
51*0 
18*6 
18*34 
15*72 
26*95 
55 
55 
55 
55 
0*262 
50*6 
18*7 
18*41 
15*85 
26*935 
55 
55 
55 
55 
0*257 
50*3 
18*6 
18*34 
15*84 
26*965 
55 
1*675 
* 
55 
55 
0*250 
Mean . . . 0*257 
After drying the stopper. 
