. Urinary deposits : their diagnosis, pathology, and therapeutical indications. quite certain, however, that a consi-derable quantity of hippuric acid may be present andyet escape detection by this process, in consequence ofthe urea interfering with its crystallisation. Fromvery careful experiments, I find that when the acid 200 PATHOLOGY OF IIIPPURIC ACID. exists in less quantity than one grain in the fluidounce of urine, it cannot be thus detected. In thiscase we must have recourse to the process before de-scribed for the preparation of the acid from the healthyurine (96). 204. Microscopic c
. Urinary deposits : their diagnosis, pathology, and therapeutical indications. quite certain, however, that a consi-derable quantity of hippuric acid may be present andyet escape detection by this process, in consequence ofthe urea interfering with its crystallisation. Fromvery careful experiments, I find that when the acid 200 PATHOLOGY OF IIIPPURIC ACID. exists in less quantity than one grain in the fluidounce of urine, it cannot be thus detected. In thiscase we must have recourse to the process before de-scribed for the preparation of the acid from the healthyurine (96). 204. Microscopic characters ofhippuric acid. —If crys-tals are obtained by the modes just described, all possibledoubt of their real nature may be removed by dissolvinga portion in alcohol and another portion in hot placing a drop of these solutions when cold on platesof glass, beautiful crystals, some possessing a dendriticand plumose outline, others arranged like zeolites, willbe left by the spontaneous evaporation of the alcoholicsolution (Fig. 36), and minute needles mixed with.
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Keywords: ., bookcentury1800, bookdecade1850, booksubjecturinary, bookyear1853
