por 
3909 
400 
450 
500 
550 
Between 320° and 360° 
djo : 
1.880 
1.847 
1.813 
1.780 
1.746 
„in Erg: 
1502 
1486 
1464 
1442 
1418 
d 
du 
Dé is 0,24 Erg; between 350° and 425° C.: 0,34 Erg; 
ie — 1,914 — 0.000672 (¢ 
389 
NaNO;. 
between 425° and 600°: 0,45 Erg per degree. 
Len 
905° 
1007 
Ou. 
is 
Ot 
ib bre 
P's 
913° 
986 
1054 
On 
Between 900° and 960° es 0,33 Erg; between 960° and 1060°: 0,45 Erg; and it 
increases gradually to 0,83 Erg between 1275° and 1310° C. 
be 
185° 
837 
878 
Ou 
Ot 
, 
Ot 
P: 
700° 
725 
751 
Ou 
Between 730° and 765° is 1,58 Erg; between 765° and 815° C.: 0,67 Erg; and 
( 
Ago! 
2.147 
2.102 
up to 1200° about 0,43 Erg, to 1270° C.: 0,61 Erg, and at 1500° C.: about 
Ajo: 
517 
1.485 
1.461 
ago: 
2.105 
2.085 
2.064 
dyo : 
2.431 
2.405 
2.378 
py in Erg: 
2532 
2490 
per degree. 
do : » in Erg: 
1 869 1368 
1.819 1342 
1.775 1310 
An Ere: 
1299.0 
1269.3 
1241.0 
vin Erg; 
1286 
1270 
1246 
nin Erg: 
1329 
1288 
1247 
NaPO.,. 
300). 
di, = 2.193 — 0.00044 (¢ — 800). 
t 
dy 
©) 
KF. 
KCl. 
o — 1.878 — 0.000669 (¢ — 900). 
di. = 1.539 — 0.005947 (¢ — 750). 
is constant, and 0,68 Erg per degree. 
KBr. 
a, = 2.106 — 0.000799 (¢ — 750) 
d 
jae 
Br 
has a mean value of 0,76 Erg per degree. 
KI. 
2.431 — 0.001022 (f — 700). 
at higher temperatures: 0,41 Erg per degree. 
