ROYAL SOCIETY OF CANADA 
34 
FERROUS SULPHATE. 




set came) mmr [Ve a) y 
Sol. Sol. (c.c.) of Sol. (c.c.) 
‘9878 "06564 100832 99174 99148 ‘00026 
8668 “05672 1:00709 “99296 "99269 ‘00027 
6921 ‘04586 1°00551 ‘99452 ‘99444 ‘00008 
6398 04237 1°00499 *99503 “99496 *00007 
*5240 ‘03467 1°00388 ‘99614 ‘99613 “00001 
4850 ‘03208 1:00357 | *99644 *99651 — ‘00007 
*3614 02387 | 1-00233 *99765 99775 — ‘00010 
*3110 “02053 1°00186 99812 “99825 — ‘00013 
‘2212 ‘01795 100091 | :99907 ‘99915 — ‘00008 
‘2001 “01320 100068 “99930 99936 — ‘00006 
‘1708 ‘01126 1:00035 | “99965 ‘99966 — ‘00001 
‘1386 *009134 1:00000 1:00000 “99998 + *00002 







From this table we would infer that a ‘5 per cent solution is the 
most concentrated solution exhibiting a contraction, the maximum con- 
traction being exhibited by a ‘31 per cent solution. 
The following are the results of the determinations based on 
Dijken’s observations : 
AMMONIUM SULPHATE. 




Grams SL Salt] Gram-Mois.| pce [Vol (91 lor water ind] yy 
of Solution. | Per litre. 16°/16°. 16 (cc) | 808 ea 
0:5514 -004523 1:000347 1-00068 100047 00021 
1°1251 - 009232 1-000704 100032 99990 00042 
23114 018980 1-001436 -99960 -99871 “00089 
45840 ‘037694 1002823 -99821 99643 “00178 
10-0893 “083234 1006093 99496 “99093 00403 
20-0138 16608 1:012023 -98914 ‘97761 -01153 
40-5236 34030 1024117 ‘O7T44 96046 01698 

56° 8536 ‘48189 1°033690 “96840 ‘94411 ‘02429 à 


