400 JlDpitions. 



siitce ammoniacal salts, and all the nitrogenous bodies 

 in the urine give a precipitate with mercuric nitrate. 



Hypobromite method of estimating urea. (Cf. 

 p. 242). ^ 



Hypohromite solution. Dissolve 100 grams of 

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

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

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



