136 BACTERIOLOGICAL METHODS 



mended. This proprietary article is a strongly alkaline solution of 

 sodium hypochlorite. In each cc. it contains approximately 5.68 

 grams of sodium hypochlorite, sodium hydroxide 7.8 grams and 

 sodium carbonate 0.32 grams. The available chlorine amounts to 

 about 5.68 grams. It dissolves all organic matter, such as that con- 



FIG. 44. Bacillus tuberculosis in the sputum of a consumptive; stained by Ziehl 

 method (X 2100). (After Kossel.) 



tained in sputum and feces, excepting the tubercle bacilli. It is in 

 itself an active antiseptic having a phenol coefficient of 3. 



For bacteriological work, a 50 per cent, solution of the anti- 

 formin will be found satisfactory. Mix equal parts of the anti- 

 formin solution (50 per cent.) and milk or sputum or other mate- 



