975 
TABLE IV. 
Preparation 1. !) 
t | 7 P TinP 
505° 778? | 8.67 atm. 1680.4 
515 | 788 10.43 „ 1847.6 
522.5 | 795.5 11,61 =, 1950.4 
561 | 834 AIS 2661.3 
578 | 851 BY ess eee 3009.6 
581 | 854 36.49 , 3071.8 
587.5 869.5 Ale Tar, 3211.5 
588 861 8240, 3220. 1 
589 ‚ 862 ea 3232.1 
580.5 | 8625 | 431 , 3246.6 
350 jij no 300 
r Fig. 1 
1) Only the most reliable determinations have been used here. The determination 
at 561° refers to preparation 5, 
