THE REAL VALUE OF MEDICINAL PEROXIDE OF HYDROGEN PREPARATIONS, ETC. 781 
oxide of hydrogen which I could find on the market, in order to 
ascertain the real value of each when intended to be used as an 
antiseptic remedy, both internally and externally. 
The reports on the subject which have come to my knowl¬ 
edge are quite contradictory, and my object is to impart to the 
medical impression the results of my experiments, which have 
been made on fourteen fresh samples, purchased by me in dupli¬ 
cate, directly from the manufacturers or their selling agents. 
These brands have been tested for the volume of available 
oxygen, the amount of residue, the degree of acidity, and the 
amount of soluble baryta salts contained therein, as per follow¬ 
ing table: 
No. 
u 
< < 
t ( 
u 
u 
u 
i i 
u 
i i 
u 
i < 
u 
BRANDS. 
1. John Bene’s Peroxide of Hydrogen Medicinal.. . . 
2. Hydrozone.. 
3. Larkin & Scheffer’s Peroxide of Hydrogen Me¬ 
dicinal . 
4. Mallinckrodt’s Peroxide of Hydrogen Medicinal.. 
5. Marchand’s Peroxide of Hydrogen Medicinal. 
6. McKesson & Robbins’ Peroxide of Hydrogen 
Medicinal. 
7. Merck & Co.’s Peroxide of Plydrogen Medicinal.. . 
8. Oakland Chemical Co.’s Peroxide of Hydrogen 
Medicinal. 
9. Peuchot’s Peroxide of Hydrogen Medicinal. 
10. Powers & Weightman’s Peroxide of Hydrogen 
11. Pyrozone, 3 per cent. 
12. Rosengarten & Sons’ Peroxide of Hydrogen Me¬ 
dicinal. 
13. Smith, Kline & French Co.’s Peroxide of Hydrogen 
Medicinal. 
14. E. R. Sqibb’s Peroxide of Hydrogen Medicinal.. 
9- 6 5 
9-55 
16.55 
10 95 
0.50 
10.50 
10.60 
8.40 
11.20 
3. 10 
6.15 
12.40 
0.1886 
0.2180 
0.1206 
o. 1408 
0.0564 
0.0540 
0.2418 
0.0382 
0.4674 
0.0830! 
0.0534’ 
0.1002 
0.088 
1.004 
<> 
o Q. 
5 a- 
3 S‘ 
Z CD 
O HZj 
c nn> 
o w 
P cL 
c x 5* 
c p 
c o 
C. c 
o cr 
3 0 
cr 
3 
O) 
* t /5 
Oo 
• ^ 
c 3 
o 
M >t 
2, S 
o & 
§ ^ 
_ 3 
f-r-, 
• CT 
2 , | 
2 3 
O C/5 
X O 
cL’c" 
cd cr 
to 
g 
c n 
a 
U1 
r> 
O 
3 
3 
a- 
2.19 None 
3.11 None 
6-75 
i-43 
1.29 
None 
None 
None 
0-44 
4-57 
0.34 
1.77 
None 
None 
0.0017 
0.0018 
2.03 None 
0.76 None 
0.25 
2.6 
12.04 
None 
None 
None 
