PROPERTIES AND COMPOSITION OF THE URINE. 375 



quantities of its different constituents, excreted in twenty-four hours, have 

 been given when practicable. 



COMPOSITION OF THE HUMAN UEINE. 



Water (in 24 hours, 27 to 50 fluidounces, 800 to 1,480 c. c. Becquerel) . . 967-47 to 940-36 



Urea (in 24 hours, 355 to 463 grains, 23 to 30 grammes Robin) 15-00 " 23-00 



Uric acid, accidental, or traces 



Sodium urate, neutral and acid "| (In 24 hours. 6 to 9 grs., 0-39 



Ammonium urate, neutral and acid (in I to 0-58 gramme, of uric acid 



small quantity) I Becquerel or 9 to 14 grs., 



Potassium urate i 0-58 to 0-9 gramme, of urates, 



Calcium urate estimated as neutral urate of 



Magnesium urate j soda) I'OO " 1-60 



Sodium hippurate . . . } (In 34 hours < about 7>5 S rs " ' 486 ^ ramme ' 

 Potassium hippurate I of hi PP uric acid-Thudichum-equivalent 



Calcium hippurate to about 8 ' 7 S rs " ' 566 S ramme > of sodiura 



J hippurate) 1-00 " 1-40 



Sodium lactate 1 



Potassium lactate > (Daily quantity not estimated) 1-50 " 2-60 



Calcium lactate J 



Creatine ) (In 24 hours, about 11-5 grains, 0-745 



Creatinine ) gramme, of both Thudichum) 1-60 " 3-00 



Calcium oxalate (daily quantity not estimated) traces " I'lO 



Xanthine not estimated. 



Margarine, oleine and other fatty matters 0-10 to 0-20 



Sodium chloride (in 24 hours, about 154 grains, 10 grammes Robin) . . . 3-00 " 8'00 



Potassium chloride traces. 



Ammonium chloride 1-50 to 2-20 



(In 24 hours, 23 to 38 grains, 1-5 to 2-5 

 grammes, of sulphuric acid Thudichum. 



urn sulphate I Aboufc equal partg of godium su i ph ate and 



Potassium sulphate f potassium sulphate Robin equivalent to 



Calcium sulphate (traces).. ^ to 37 . g grainS) ^45 to 2>43 grammes 



J of each) 3-00 " 7-00 



Sodium phosphate, neutral ) (DaUy fcit not estlmated) 2 . 50 4 . 30 



Sodium phosphate, acid . . ) 



Magnesium phosphate (in 24 hours, 7*7 to 11-8 grains, 0-5 to 0'768 



gramme Neubauer) 0'50 " I'OO 



Calcium phosphate, acid . . } (In 24 hours, 4-7 to 5-7 grains, 0-307 to 



Calcium phosphate, basic., j 0-372 gramme Neubauer) 0-20 " 1-30 



Ammonio-magnesian phosphate (daily quantity not estimated) 1-50 " 2-40 



(Daily excretion of phosphoric acid, about 56 grains, 3-629 grammes 



Thudichum.) 

 Silicic acid 0-03 " 0-04 



Urochrome 1.. 0-10 0-50 



Mucus from the bladder . . 



1,000-00 1,000-00 



Proportion of solid constituents, 32-63 to 59'89 parts per 1,000. 



Gases of the Urine. (Parts per 1,000, in volume.) 



Oxygen in solution 0-90 to 1-00 



Nitrogen in solution 7-00 " 10-00 



Carbon dioxide in solution . . '45 " 50-00 



