BACTERIOLOGY IN A NUTSHELL. 



by dissolving six ounces of chloride of lime in 

 one gallon of water. It is said to be valuable 

 in the disinfection of excreta. Chloride of lime 

 in order to be reliable must be purchased of a 

 reliable manufacturer. 



Thiersch's Solution. In the preparation 

 of this solution, which is often used as an anti- 

 septic for purposes of irrigation, add one and a 

 half ounces of boracic acid and two drams of 

 salicylic acid to one gallon of water. Dissolve 

 the acids in hot water and sterilize before using. 



Balsam of Peru. A five to ten per cent solu- 

 tion of balsam of Peru is an antiseptic solution 

 frequently used in dressing burns and other 

 wounds. The balsam is combined with castor 

 oil or glycerine as a base. Balsam of Peru, 

 five per cent, and castor oil ninety-five per cent, 

 is the common formula. 



These are a few of the best drugs for anti- 

 septic and disinfectant purposes now in use. 

 New drugs for the same uses are being discov- 

 ered every year. 



Sterile Water. As sterile water alone is 

 so frequently used in aseptic surgery, its prep- 

 aration should be understood even by nurses 

 just entering the work. The water should first 

 xbe filtered and then boiled in vessels* which 



"■ ye also been made thoroughly clean by wash- 

 es 



'^Filtered water and salt solutions are preferably 

 ' sterilized in their containers and kept therein tightly 

 closed until used. 



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