. Urinary deposits : their diagnosis, pathology, and therapeutical indications. Fig. 1. Fig. 2. 5. Place about a teaspoonful of urine in a watch-glass, and evaporate it to about one-third its bulk bythe heat of a lamp. When cold, add an equal bulk ofcolorless nitric acid; in a few seconds crystals ofnitrate of urea will fill the vessel. If they be collectedon blotting-paper and dried by pressure, they will pre- b 2 4 PRELIMINARY REMARKS. sent a fine satin-like lustre resembling, under a lens,laminae of mother-o-pearl (Fig. 2). Even this littletrouble may be saved by placing a drop of urine on
. Urinary deposits : their diagnosis, pathology, and therapeutical indications. Fig. 1. Fig. 2. 5. Place about a teaspoonful of urine in a watch-glass, and evaporate it to about one-third its bulk bythe heat of a lamp. When cold, add an equal bulk ofcolorless nitric acid; in a few seconds crystals ofnitrate of urea will fill the vessel. If they be collectedon blotting-paper and dried by pressure, they will pre- b 2 4 PRELIMINARY REMARKS. sent a fine satin-like lustre resembling, under a lens,laminae of mother-o-pearl (Fig. 2). Even this littletrouble may be saved by placing a drop of urine on aplate of glass and adding to it an equal quantity ofnitric acid. In a space of time, varying from a fewminutes to half an hour, a solid white mass of satin-like lustre will be left, chiefly composed of nitrateof urea. 6. Evaporate an ounce of urine to a syrupy consist-ence, and allow it to cool. Carefully decant, after afew hours repose, the dense supernatant fluid fromthe deposited salts. Warm it in a watch-glass, anddissolve in it a piece of fused chloride of zinc, the si
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Keywords: ., bookcentury1800, bookdecade1850, booksubjecturinary, bookyear1853
