SAPONIFIED CRESOL SOLUTIONS. 
soap J; and No. 15, rosin soap f , fish-oil soap J. Just enough sodium 
hydroxid was used to saponify the rosin and oil. All these saponified 
cresol solutions were made with the same sample of cresol. 
No. 
Phenol co- 
efficient. 
10 
2.6 
11 
2.1 
12 
1.9 
13 
2.2 
14 
2.6 
15 
2.6 
SUMMARY 
Saponified cresol solutions have been made by using soap mixtures 
composed largely of rosin soap. These saponified cresol solutions 
have at least as great a disinfecting power as saponified cresol solutions 
made with linseed-oil soap, and are much cheaper. When diluted 
with water to a 3 per cent solution the saponified cresol solutions re- 
main clear for varying periods, depending upon the amount of rosin 
soap present. 
Clouding in cresol-rosin-soap solutions is due to precipitation of 
rosin. 
Saponified cresol solutions containing soaps made from several 
different vegetable oils and fish oil did not vary greatly in disin- 
fecting power. 
Saponified cresol solutions containing rosin soap appear to have a 
somewhat higher disinfecting power than those containing only vege- 
table oil or fish oil. 
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