272 



THE PROPERTIES OF PROTOPLASM 



solution of sodium bicarbonate is far from possessing the alkalinity 

 of a solution of free sodium hydroxide of the same concentration, 

 although so far as the results of titratiori reveal there is no distinction 

 between them. 



The blood and other tissue-fluids contain a large proportion of the 

 sodium salts of weak acids, namely carbonic acid, phosphoric acid and 

 proteins. When blood-serum is titrated with hydrochloric or sulphuric 



