BACTERICIDAL PROPERTIES 



19 



The table on this page shows the results obtained by 

 this method with a well-known antiseptic with which 

 many of you are familiar. 



CreoUn-Pearson — Results of a Test without Organic 



Matter 



(+ means growth; — means no growth) 

 Time culture exposed to 

 action of disinfectant Phenol 



for minutes coefBclent 



Results of a Test with Organic Matter 



This table illustrates very clearly the effect of the 

 various factors that influence the action of a disin- 

 fectant. For instance, in the 1 to 80 dilution of phenol 



