30 
results obtained. I therefore present the following ana¬ 
lyses with the hope that some one may hereafter be more 
fortunate than I have been in forming crystaline com¬ 
binations of this resin with chlorine and bromine. 
FIRST CHLORINE COMBINATION. 
I. 0.4192 grm. of substance gave 
1.1868 „ carbonic acid and 
0.4216 „ water. 
II. 0.6903 55 of substance gave 
0.3156 55 chloride of silver. 
Hence 
Calculated, 
Found. 
^80 
= 480.00 
— 77.555 — 
77.213 
H 68 
= 68.00 
— 10.987 — 
11.173 
C1 2 
= 70.92 
— 11.458 — 
11.304 
618.92 
SECOND CHLORINE COMBINATION. 
i. 
0.3933 grm. 
, of substance 
gave 
1.0013 „ 
carbonic acid and 
0.3443 „ 
water. 
ii. 
0.5411 „ 
of substance 
gave 
0.4432 „ 
chloride of silver. 
Hence 
Calculated. 
Found. 
C"80 : 
= 480.00 - 
- 69.783 — 
69.433 
h 66 = 
= 66.00 - 
- 9.595 — 
9.726 
Cl 4 : 
= 141.84 - 
- 20.621 — 
20.250 
687.84 
In order to obtain bromine combinations the resin 
was acted upon by bromine as previously described, and 
dissolved in alcohol and ether. After standing several 
days in the cold most of the time below 0 ° C. the un¬ 
decomposed substance had entirely crystalised out, and a 
