URINOUS ECZEMA. 



691 



ANALYSIS OF SWEAT, BY PROFESSOK IVISON MACADAM. 



Fat,! 



Butyric acid," 



Lactic acid, ...... 



Ammonia (volatile),'^ ..... 



Substances soluble in alcobol and soluble in water,* 

 Substances soluble in alcohol, but insoluble in 

 water," ....... 



Substances soluble in water, but not in alcohol,^ 

 Substances insoluble in water and alcohol, '^ 

 Water, 



^ Consisting mostly of glycerides of oleic and palmitic acid. 



- Partly in combination with ammonia. 



2 In combination as butyrate of ammonia. 



* Saline matter, ...... 



Organic and volatile matter, . . . . 



93 per cent. 



21 '41 per cent. 



78-59 „ 



Oxide of calcium. 

 Oxide of magnesi; 

 Potassic oxide, 

 Sodic oxide, 



Nitrosren, . 



1'16 per cent. 



0-15 ,, 



3-08 ,, 

 14-28 ,, 

 13-69 ,, 



Oxides mostly present as soaps. 

 ^ Contains no nitrogen ; neutral to test papers and purely organic in character, 

 mostly sulphur (highly smelling compounds). 



® Saline matter, ...... 25-14 per cent. 



Organic matter, . . . . . . 78-86 ,, 



Phosphoric acid present as calcium and magnesium phosphates, nitrogen 

 mostly as albumen. 



