454 
Proceedings of Royal Society of Edinburgh. [: 
3. Ammonium sulphate. 
(a) £ mol. (NH 4 ) 2 S0 4 + i mol. NH 3 ; £ mol. (NH 4 ) 2 S0 4 + mol. 
A1 2 (S0 4 ) 3 . 
I. 
II. 
III. 
IY. 
A 
•001892 
001546 
81*7 
1908 
1561 
81-8 
1976 
1565 
79-2 
B 
1805 
1449 
80-3 
1773 
1437 
81-1 
1705 
1431 
839 
1805 
1448 
80*2 
Mean 
81-2 
mol. (NH 4 ) 2 S0 4 + xo 
mol. NH 8 ;imol.(NH 4 ) 
2 so 4+1 
A1 2 (S0 4 ) 3 . 
I. 
II. 
III. 
IY. 
X 
•001431 
•000980 
68*5 
Y 
1487 
1026 
69-0 
Z 
1530 
1096 
71*6 
Mean 
69-7 
(e) £ mol. (NH 4 ) 2 S0 4 + i mol. NH 3 ; £ mol. (NH 4 ) 2 S0 4 + ^ mol. 
A1 2 (S0 4 ) 3 . 
I. 
II. 
III. 
IY. 
A 
•000799 
•000629 
79-7* 
B 
797 
564 
70-8 
786 
582 
74-1 
815 
537 
65-9 
C 
691 
490 
70-9 
697 
478 
68-6 
Mean 70'1 
