Miscellaneous  Results  from  the  Laboratory.  771 
of  the  solid  matter  as  if  it  Lad  passed  into  ammonia,  is  as 
follows : — 
Ammonia  in  a eallon — 
In  the  soluble  state  . . . 36  72  min>. 
In  the  insoluble  state  . . . 4'5ti  „ 
Analysis  of  Sewer  Water. — No.  1.  From  Barrett’s  Court. 
As  lapirklOeiN  nouliu  (is  ;nlm 
ssj  isalhs)— 
Salable. 
Insoluble. 
Both. 
Organic  Mailer  anti  Salts  of  Ammonia 
121  60  1 
1 180-32  1 
1 301-82 
Hand  and  detritus  of  the  Grauitc  from  tbe  Streets 
•»  *30 
19-30 
20-09 
Soluble  Silica  * 
1-57 
10-94 
11-31 
| 7-71 
10-71 
2-7  J 
4-02 
10-11 
11-73 
Sulphuric  Acid  ......... 
Carbonic  Acid 
11  02 
3 97 
13-39 
17  03  | 
2-87 
Traces. 
2-S7 
Perusuir  of  Iron  and  Alumina 
T.acrs. 
6-20 
6-20 
Potash  ........... 
16  91 
1-22 
14-13 
Hwla 
1-01 
1-31 
Cbluside  • 1 Potassium 
Chloride  of  Sou  mm  ........ 
31-52 
1 -72 
33-24 
j 2I3-J0 
218-96  1 
I 492-20 
Analysis  of  Sewer  Water. — No.  2.  From  Dorset  Square. 
As  Isftiiil  Uslloa  tMlilM  (la  grsi ... 
ul  u-nOu)— 
Salable. 
turntable. 
doth. 
Organic  Matter  and  Halls  of  Ammonia  . . 
57-33 
23-00 
M>-32 
Sail*!  and  dctntusof  the  Granite  from  tl.e  Street! 
0-7a 
44-50 
45-3S 
B 
1-10 
12  09 
13-25 
I^MMplioric  Acid 
2 33 
1 -64 
1-17 
Sul  pTin  nc  Acid  
0»H 
3-63 
3-91 
10-58 
1-90 
12-37 
7 10 
8-37 
15-77 
•07 
Trace. 
•07 
1 Vroiule  of  Iron  and  Alumina 
Trace. 
2-bb 
2 06 
I’otasb 
2-00 
0-72 
J 32 
Chloride  of  Potassium 
27-37 
2-10 
9-37 
109-00 
100-70 
209-70 
Ammonia  : — 
In  the  soluble  state  ....  15*  1G  grains. 
To  be  formed  from  the  insoluble  matter  . 2 -HU  „ 
• Tl.ii  is  some  small  proportion  of  insoluble  mailer  escaping  tbe  l.uen  filter,  and 
properly  belonging  to  the  other  column. 
