CONTENTS. xiii 



PAGE 



Amount 211 



Specific gravity 212 



Reaction 212 



Determination of the acidity of the urine 215 



Chemical composition 216 



THE INORGANIC CONSTITUENTS OF THE URINE 216 



Quantitative estimation of the mineral ash 219 



Quantitative estimation of the chlorides 219 



Quantitative estimation of the phosphates 220 



Separate estimation of the earthy and alkaline phosphates 220 



Quantitative estimation of the sulphates 220 



Test for nitrates 221 



THE ORGANIC CONSTITUENTS OF THE URINE . , 221 



The nitrogenous constituents of the urine 222 



Urea 222 



Origin 222 



Nitrogenous equilibrium 225 



Properties 227 



Urea-nitrate 227 



Urea-oxalate 228 



Synthetic formation 229 



Isolation 230 



Quantitative estimation 230 



Estimation of the preformed ammonia 232 



Estimation of the total urinary nitrogen 232 



Uric acid 233 



Origin 233 



Properties 236 



Tests 237 



Isolation 237 



Quantitative estimation 238 



The xanthin-bases 240 



Origin 240 



Quantitative estimation 241 



Oxalic acid and oxaluric acid 241 



Quantitative estimation of oxalic acid 243 



Allantoin 243 



Isolation 244 



Kreatinin 244 



Properties 245 



Tests. . 246 



Synthesis 246 



Isolation and quantitative estimation 246 



THE AROMATIC CONSTITUENTS OF THE URINE 247 



The conjugate sulphates 248 



The phenols 248 



Quantitative estimation 249 



Indoxyl sulphate 250 



Tests 252 



Quantitative estimation 253 



