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BRITISH PHARMACEUTICAL CONFERENCE. 
omitted, as tending only to indicate quality, which is not the question at 
issue. 
Of the powders examined, it will he seen that ipecacuanha is least adul¬ 
terated. This apparent freedom may arise from the difficulty of detecting 
a small amount of any earthy matter that may he clandestinely introduced. 
iNo. 5 is such an instance. 
POWDERED OPIUM. 
Vo. Name of town. 
Per cent. 
Adulterated or otherwise. of ash. 
1....Norwich . 
..Contains starch, wheat. 
6-5 
2.... Norwich . 
..Contains a little starch. 
5 - 5 
3....Norwich . 
..Genuine. 
5-5 
4....Norwich . 
..Contains much starch . 
5*5 
5....Nottingham. 
..Contains a little starch . 
G-0 
6.... Nottingham. 
..Contains some starch. 
6-5 
7....Nottingham. 
..Contains starch . 
G-0 
8....Bradford . 
..Genuine. 
5*0 (authenticated) 
Average 
5-8. 
The author regards the starch as having its origin in the opium as imported, 
having found it in macerating opium for tincture. 
POWDERED IPECACUANHA. 
No. Name of town. 
Adulterated or otherwise. 
Per ceut. 
of ash. 
1. 
..The root coarsely powdered 
... 2-5 
2....Bradford . 
...Genuine . 
... 3-0 
3.... Lancaster. 
...Genuine . 
.... 2-5 
4....Norwich . 
..Genuine . 
... 2-5 
5....Nottingham. 
..Genuine? . 
... 7-0 
6....Nottingham. 
..Genuine . 
... 3-7 
7.... Nottingham. 
..Genuine . 
8 .... Nottingham. 
..Genuine . 
... 3-0 
0....Norwich . 
..Genuine . 
.... 3-0 
10....Lancaster. 
..Genuine . 
... 2-5 
11.... Lancaster. 
..Genuine . 
.... 2-5 
(including meditullium) 
Average 2-87 (omitting No. 5). 
The samples were not tested for antimony. 
POWDERED JALAP. 
No. 
1 .. 
2 .. 
3.. 
4.. 
5.. 
6 .. 
7.. 
8 .. 
0 .. 
Name of town. 
Adulterated or otherwise. 
Per cent, 
of ash. 
Lancaster. 
..Genuine . 
.... 6-0 
Lancaster. 
..Genuine . 
.... 5-0 
Nottingham. 
..Genuine . 
.... 5-5 
Nottingham. 
...Contains much woody fibre 
... 3-5 
Nottingham. 
..Genuine . 
.... 6-0 
Norwich . 
..Contains much woody fibre 
... 4-0 
Lancaster. 
..Genuine .. 
.... 6-0 
Bradford . 
...Genuine, fine .. 
Norwich .. 
...Genuine . 
.... 5-5 
(authenticated) 
Average 5-64 (omitting Nos. 4 , G). 
Bradford. 
