SCIENCE-ADVERTISEMENTS 



A ISEW^ MBTHOO 



FOR THE 



DBTERMIINATIOrN OH URBA 



IN 



URIINB OR Bl^OOD 



ARLCO-UREASE is a dry, soluble Powder, active and standardized, 

 prepared after Van Slyke's method and containing the urea-splitting 

 enzyme of the soy bean. 



Samples and literature on request. 



Manufactured only by 



The Arlington OHemical Oo., 



Yonkers, IV. Y. 



Representatlces in Boston New York Philadelphia SBaltimore Minneapolis St. Paul 





Radium Bromide 

 Radium Chloride 



Radium Sulphate 

 Radium Carbonate 



All standard designs of Applicators 



Radium Chemical Company 



General Offices and Laboratories; 



Pittsburgh, Pa. 



