REPORT ON THE COMPOSITION OF OCEAN-WATER. 
97 
(No. 48.) Bromine taken, 61 ’32 mgrms. 
I. Precip., 200 c.c. of Ag., . . . . . . . . b 1 lost 
II. ., 200 c.c. „ ; precipitate reduced and solution reprecipitated by 50 c.c. of Ag., b 2 = 3'42 
(No. 49.) Bromine taken, 61 ‘51 mgrms. 
I. Precip., 200 c.c. of Ag., . . . .& 1 = 56-96 
II. „ 200c.c. „ precipitate chlorinated directly, b 2 = 3-60 
III. „ 100 c.c. „ & 3 — ( - 0T8) 
(No. 50.) Bromine taken, 61'37 mgrms. 
I. Precip., 200 c.c. of silver, b 1 = 56 - 89 
II. ,, 200 c.c. „ 5 2 = 4T4 
III. „ 100 c.c. „ & 3 = ( - 0T8) 
(No. 51.) Bromine taken, 61 '47 mgrms. 
I. Precip., 200 c.c. of Ag., ........ ^ = 56-79 
II. „ 300 c.c. „ ; precipitate reduced, and Br reprecipitated by 50 c.c. of silver, b n = 4 ’03 
(No. 52.) Bromine taken, 61 '38 mgrms. 
I. Precip., 200c.c. of Ag., ....... 5 1 = 56 - 61 
II. „ 300 c.c. ,, ; precipitate reduced, Br reprecipitated by 50 c.c. of silver, b. 2 = 2 '57 
In the following summary the results of experiments Nos. 45 to 52 are referred to 100 
mgrms. of bromine taken : — 
Obtained per 100 Milligrammes of Bromine taken. 
No. 
Precipitation with v c.c. of Silver Solution. 
6, + bo or 
b: 
100-B. 
First. 
Second. 
v i- 
K 
% 
b. 2 . 
45 
200 
92-6 
300 
2-07 
94-7 
5-3 
46 
200 
97-5 
300 
1-77 
99-2 
o-s 
47 
200 
200 
4-71 
... 
48 
200 
200 
5-58 
49 
200 
92-6 
200 
5'85 
98-5 
1-5 
50 
200 
92-7 
200 
6 *75 
99-4 
0-6 
51 
200 
92-4 
300 
6-57 
99-0 
1-0 
52 
200 
92'2 
300 
4-19 
96-4 
3-6 
(PHTS. CHEM. CHALL. EXP. PART I. 1884.) 
A 13 
