400 ADDITIONS. 



since ammoniacal salts, and all the nitrogenous bodies 

 in the urine give a precipitate with mercuric nitrate. 



Hypobromite method of estimating urea. (Of. 

 p. 242). 



Hypobromite solution. Dissolve 100 grams of 

 sodium hydrate in 250c.c. water, cool, and add 

 gradually 25c.c. of bromine, cooling the mixture 

 in a stream of water as the bromine is added. The 



-a, 



