I»2 



Sterilization and Disinfection 



confined should be freely ventilated. An abundance of fresh, pure 

 air is a comfort to the patient and a protection to the doctor and 

 nurse. 



After recovery or death one should rely less upon fumigation 

 than upon disinfection of the walls and floor, the similar disinfection 



INHIBITION STRENGTHS OF VARIOUS ANTISEPTICS 

 (Adapted from Fliigge, Leipzig, 1902) 



Anthrax Bacilli 



Acids 

 Sulphuric .... 

 Hydrochloric. 



Sulphurous. . . . 



Arsenous 



Boric 



Alkalies 

 Potass, hydrox. 



I : 3000 

 I : 3000 



Ammon hydrox. 

 Calcium hydrox. 



Salts 

 Copper sulphate. 

 Ferric sulphate. . . 

 Mercuric chlorid. 

 Silver nitrate. . . . 



Potass, perman 



Halogens and Compounds 



Chlorin . . 



Bromin. 



lodin 



Potass, iodid 



Sodium chlor. . . . . : 



Organic Compounds 



Ethyl alcohol... 



Acetic and oxalic acids 



Carbolic acid 



Benzoic acid 



Salicylic acid ' 



Formalin (40% formaldehydj 



Camphor 



Thymol 



Oil mentha pip 



Oil of terebinth 



Peroxid of hydrogen 



1:800 

 i: 700 



i: 700 



Other Bacteria 



Putrefactive 



Bacteria in 



Bouillon 



Choi. spir. 1:6000 

 B. diph. 1:3000 

 B. mallei 1:700 

 B. typh. 1:500 

 Choi. spir. 1 : 1000 



1 : 100,000 

 1 : 60,000 



1:1500 

 1:1500 

 I : 5000 



1:60 



1:12. 



1:800 



I : 1000 

 1:1500 



I : looo 

 1 : 10,000 

 I : 3000 

 I : 8000 



B.diph. 1:600 

 Choi. spir. 1 : 400 

 B. typh. 1:400 

 Choi. spir. 1:500 

 B . typh. 1 : 500 

 Choi. spir. i: iioo 

 B. typh. I : iioo 



B. typh. 1:60,000 



Choi, spir., 



B. typhosus 1 : 50,000 



B . diph. 1 : 500 

 B.typh. 1:400 

 Choi. spir. 1:600 



Choi. spir. 1 : 20,000 

 Staphylo. 1:5000 



I : 6000 

 i: 200 

 1:100 



1 : 1000 

 1:90 

 1 : 20,000 



1:500 



I : 4000 

 1: 2000 

 I : 5000 

 1:7 



i: 10 

 1:40 



I : 3S°o 



of the wooden part of the furniture, and the sterilization of all else. 

 The fumes of sulphur do some good, especially when combined with 

 steam, but are greatly overestimated in action and are very destruc- 

 tive to furnishings, so that they are rapidly giving way to the more 



I" 



