Table or Results of Analyses — continued . 
I. 
11. 
III. 
IV. 
V. 
VI. 
VII 
VIII. 
IX 
X. 
XI. 
XII. 
1 
II 
1“ 
3 
1 
■punoj mSpAv 
jjil 
sl 
If 
ife 
Percentages in 
Column V. 
Atom^Hveifihts. 
|| 
Calculated Percen- 
tages of Metal 
Column VII. 
1 
1 
1 
Ill 
liJg 
i 
Fomnilaj of Salts. 
-0300 Fe.YOa 
4-n Fe 
4-11 
•0734 
4-01 
+ ■10 
■0293 
+ -0007 
0-5114 
-0758 ZnO 
11-91 Zn 
11-91 
•1822 
11-70 
+ •21 
■0745 
+ ■0013 
0-5788 
■0320 Fe.03 
3-87 Fo 
3'87 
•0691 
2 
4-01 
- -14 
■0331 
- -0011 
... Zu 
y , 
c 
0-5592 
■0325 Fe.,03 
4-07 Fe 
1 4-01 
■0716 
401 
•00 
/ -0320 
+ -0005 
■ 2Fe . 5Zn . 7[SO, . (NH^ . )SO, . 6H.O] 
0-5457 
•0308 FejOg 
3 -95 Fe 
\ -0313 
- -0005 
... Zn 
5 
0-4575 
-0274 FeoOg 
4-19 Fe 
4-19 
•0748 
2 
5 
4-01 
+ •18 
■0262 
+ ’0012 
0-3997 
•0248 FeoOg 
•0251 Fe'oOa 
4-34 Fe 
4-34 Fe 
... Zn 
} 4-34 
! ::: 
1 A mixture of the preceding salt and 
J Fe.2Zn.3[SO,.(NH,)jSOj.6HjO] 
XIX. 
0-9020 
•0770 FesOg 
5-98 Fe 
( -0778 
- -0003 
\ 
0-5066 
0-4940 
•0435 FesOg 
•0438 FegOg 
6-01 Fo 
6-13 Fe 
1 6 04 
•1078 
6-00 
+ ■04 
\ -0434 
{ -0424 
+ •0001 
+ -0009 
1 2Fe . 3Mg . 5[SOj . (NHj).,S04 . 6HaO] 
, 4-03 Mg 
•1679 
8-92 
+ •11 
j 
^ ^ 
XX. a 
0-4526 
•0392 Fe.Og 
6-06 Fe 
... Mg 
6-06 
•1082 
2 
3 
^92 
•0388 
+ -0004 
0-4150 
•0364 Fe^Oa 
6-14 Fo 
... Mg 
6-14 
•1096 
1 
6-00 
3-92 
+ •14 
■0356 
+ -0008 
1 2Fe . 8Mg . 6[SO. . (NH.).SOj . 6H.O] 
y 
0-4955 
■0436 Fe„03 
616 Fe 
... Mg 
■1100 
y 
^92 
+ •16 
•0425 
+ ■0011 
J 
5 
0-2056 
■0188 Fe.Og 
6-40 Fe 
... Mg 
6-40 
•1142 
1 
6-42 
3-72 
-•02 
•0188 
■0000 
j 3Fe . 4Mg . 7[SO, . (NH,),SOj . 6H.O] 
f 
0-4165 
0-5123 
■0392 Fe^s 
■0490 Fe^Oa 
6-59 Fe 
... Mg 
6-70 Fe 
... Mg 
6-59 
6-70 
•1176 
■1196 
I 
6-65 
3-62 
6-65 
3-62 
-■06 
+ •05 
•0396 
■0487 
-•0004 
+ -0003 
1 4Fe . 6Mg . 9[SO, . (NHJ.SO, . 6H.O] 
0-3370 
0-3120 
■0332 Fe..Oa 
•0308 FCoOg 
6-90 Fe 
6-91 Fe 
... Mg 
1 6-91 
■1234 
1 
1 A mixture of the precediug salt and 
r Fe.Mg.2[S0j.(NH.).S0..6H.0] 
Proceedings of Eoljal Society of Edinhiirgh, [april 2 | ;^388.] Prafulla Chandra Ray o?i Coj7^er-il/«^7icsi«m G^ro!t2^. 279 
