A practical treatise on urinary and renal diseases : including urinary deposits . Fig. 8. Amorphous urate deposit. Micro-chemical characters.—Under the microscope the depositis found to be composed of minute particles or granules, coarseror finer, and more or less opaque, according to the closeness ofits aggregation (see Fig. 8). By warming the urine, the amorphous urate dissolves ; the AMORPHOUS URATES. 69 light-coloured and looser deposits disappear with a slight heat,but the deeper coloured and denser ones require a more elevatedtemperature. As no other urinary deposit disappears withsimple
A practical treatise on urinary and renal diseases : including urinary deposits . Fig. 8. Amorphous urate deposit. Micro-chemical characters.—Under the microscope the depositis found to be composed of minute particles or granules, coarseror finer, and more or less opaque, according to the closeness ofits aggregation (see Fig. 8). By warming the urine, the amorphous urate dissolves ; the AMORPHOUS URATES. 69 light-coloured and looser deposits disappear with a slight heat,but the deeper coloured and denser ones require a more elevatedtemperature. As no other urinary deposit disappears withsimple heat, this circumstance offers an easy means of recogni-tion. The amorphous urate answers to the murexid test foruric acid. It is decomposed by the vegetable and mineralacids (though only slowly in the cold by the former), and uricacid crystals are deposited, which may be recognised under themicroscope. The urates dissolve in the caustic alkalies, and insolutions of the carbonates of potash and soda. They possessan intense affinity for the brown and pink pigments of theurin
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Keywords: ., bookcent, bookdecade1870, booksubjecturinalysis, booksubjecturine
