17 
ShouAng the results of 10 per cent formalin acting upon pus for variou s periods of time, 
J:ept at room temperature. 
Pus from — 
Minutes 
action of 
formalin. 
Result. 
Phlegmon 
Anthrax pustule 
Osteomvelitis. on sound 
OsteomVelitis. on sponge 
30 
30 
15 
5 
Killed. 
Do. 
Do. 
Do. 
Showing results of 5 per cent formalin acting upon pm s, kept at room temperature. 
Pus from — 
Minutes 
; action of 
formalin. 
1 Result. 
i 
Infected compound fracture, on sound and sponge 
30 
; Growth. 
Showing results of 5 per cent formalin acting upon pus for various periods aftime, kept at 
temperatures of 35 to 38° C. 
Pus from — 
Minutes 
action of 
formalin. 
Result. 
Osteomvelitis. sound 
OsteomVeKtis, sponge 
30 
15 
' KRled. 
Do. 
Showing results of 10 per cent formalin acting upon pus for various periods of time, kept at 
temperatures of 35 to 38° C. 
Minutes 
Pus from — action of Result. 
formalin. 
Phlegmon, sound 5 Killed. 
Phlegmon, sponge 35 Do. 
Kideal (39) states that 1 part of formaldehyde to 10,000 of milk the 
milk remained fresh without curdling for seven days. 
Milk and water 10,000 parts and milk and water 100,000 parts, with 
1 part of formalin, remained sweet and fresh for twelve and four days, 
respectively. Control soured on the third day. 
One part of formaldehyde to 16.08 parts of milk, or 1 c. c. formalde- 
hyde to 18.132 c. c. milk, keeps it fresh at least three days. 
The strength of formalin used by the trade to preserve milk was 
found to be 1:320. 
Strehl (10) used Schering's formalin. Action of spray on carpets. 
Various kinds of carpets treated by rubbing in virulent cultures 
(bouillon) of staphylococcus and anthrax, then dried and hung up. 
Various strengths of formalin solution then sprayed on the surface so 
as to moisten it evenly. After twenty-four hours pieces were placed 
in bouillon. Five per cent formalin did not kill staphylococci, but 10 
per cent killed all bacteria. 
8049— No. 39—07 3 
