338 



EXCRETION 



depends on the presence of acid salts, the principal salt being acid 

 sodium phosphate, with possibly a little acid calcium phosphate. 



COMPOSITION OF THE HUMAN URINE 



Water (in 24 hours, 27 to 50 fluidounces, 800 to 1480 cubic centimeters 



Becquerel) .................... 967.47 to 940.36 



Urea (in 24 hours, 355 to 463 grains, 23 to 30 grams Robin) ..... 15.00 to 23.00 



Uric acid ...................... accidental, or traces 



Sodium urate, neutral and acid 



Ammonium urate, neutral and acid (in 

 small quantity) 



Potassium urate 



Calcium urate 



Magnesium urate 



Sodium hippurate 



Potassium hippurate 



Calcium hippurate 



Sodium lactate 



(Jn hourS) fi tQ 



o . 39 to 0.58 gram, of uric acid - 

 Becquerel-or 9 to 14 grains, 0.58 

 to ag gram> of ^^ estimated 



as neutral urate of soda) . . . 



~\ (In 24 hours, about 7.5 grains, 0.486 gram, of 

 > hippuricacid Thudichum equivalent to about 

 ' 8.7 grains, 0.566 gram, of sodium hippurate) . 



i.oo to 1.60 



i.oo to 1.40 



^ 

 Potassium lactate 1- (Daily quantity not estimated) ..... 1.50 to 2.60 



Calcium lactate J 



Creatin j (In 24 hours, about 11.5 grains, 0.745 gram, 



Creatinin ) of both Thudichum) ......... 1.60 to 3.00 



Calcium oxalate (daily quantity not estimated) .... : C.~ '. (' . . . traces to i.io 



Xanthin ............. , .......... not estimated. 



Palmitin, olein and other fatty matters ............. o.io to 0.20 



Sodium chloride (in 24 hours, about 154 grains, 10 grams Robin) . . . 3.00 to 8.00 

 Potassium chloride , ........ . ......... traces. 



Ammonium chloride ................... 1.50 to 2.20 



(In 24 hours, 23 to 38 grains, 1.5 to 2.5 



Sodium sulphate grams, of sulphuric acid Thudichum. About 



Potassium sulphate equal parts of sodium sulphate and potassium 



Calcium sulphate (traces) sulphate Robin equivalent to 22.5 to 37.5 



, grains, 1.45 to 2.43 grams of each) .... 3.00 to 7.00 



Potassium indoxyl-sulphate (indican) ............. not estimated. 



Sodium phosphate, neutral ) /TA .. 



Sodium phosphate, acid } (^ily quantity not estimated) ..... 2.50 to 4.30 



Magnesium phosphate (in 24 hours, 7.7 to n.8 grains, 0.5 to 0.768 gram 



Neubauer) ..................... 0.50 to i.oo 



Calcium phosphate, acid ) (In 24 hours, 4.7 to 5.7 grains, 0.307 to 



Calcium phosphate, basic ) 0.372 gram Neubauer) ........ 0.20 to 1.30 



Ammonio-magnesian phosphate (daily quantity not estimated) ..... 1-5 to 2.40 



(Daily excretion of phosphoric acid, about 56 grains, 3.629 grams 



Thudichum.) 

 Silicic acid ................... . .... / 0.03 to 0.04 



Urochrome j o IQ tQ 



Mucus from the bladder ) 



1000.00 1000.00 



Proportion of solid constituents, 32.63 to 59.89 parts per 1000. 



Gases of the Urine. (Parts per 1000, in volume) 



Oxygen in solution . *. . ... ............... 0.90 to I.oo 



Nitrogen in solution ............. ........ 7- to 10.00 



Carbon dioxide in solution ................. .45 to 50.00 



