The medical examination for life insurance and its associated clinical methods : with chapters on the insurance of substandard lives and accident insurance . case in which a specimen of urine containing per cent, ofalbumin was reported normal after the application of this test. One other beautiful test may be mentioned: The Potassium Ferrocyanid Test.—Into a clean test-tubepour a dram or two of acetic acid (50 per cent.); to this add twiceits volume of an aqueous solution of potassium ferrocyanid (1: 20).Shake the mixture, and overlay with the suspected urine, as isdone in the contact tes
The medical examination for life insurance and its associated clinical methods : with chapters on the insurance of substandard lives and accident insurance . case in which a specimen of urine containing per cent, ofalbumin was reported normal after the application of this test. One other beautiful test may be mentioned: The Potassium Ferrocyanid Test.—Into a clean test-tubepour a dram or two of acetic acid (50 per cent.); to this add twiceits volume of an aqueous solution of potassium ferrocyanid (1: 20).Shake the mixture, and overlay with the suspected urine, as isdone in the contact test with nitric acid. M IN A 1 l« »N « >I I RINE l\ III! Albumin, if present, appears al once as a band or ri:junction of the two fluids. // •/<// that the full amount of I be added, otherwise even a considerable amounl ofalbumin will escape detection. Quantitative Tests for Albumin. Two simple tests sufficefor the quantitative estimation of albumin. The firsl demandsthe use of Esbachs albuminometer; the second requintrifuge. Both tests arc extremely simple in i . and as no physicians office is complete without a centrifuge, and as the 0 32. gc 9 6 h ! i h tube is inexpensive and easily obtained, no hardship is involved in their application. Esbachs albuminometer is n a gla graduated and letl wn in figure 77. This tube is filled to the letter U with urine, and a acid (picric acid, 10; crystalline citri< icooj is added until the !? the liquid has R. A rubber stopper is then I, and thi ral time- to thoroughly mix the urine and ti The tube is then 51 from twenty ( 1 albumin is pn i. and it 3o8 THE MEDICAL EXAMINATION FOR LIFE INSURANCE. Inferior to cen-trifugal method. Purdys method. The examinersbete noire. Deceptiveappearance. upon the scale, represents in grams the amount of albuminpresent in one liter (iooo ) of the urine. If the urine is concentrated or contains an unusually largeamount of albumin, it is best to dilute it with an equal volumeof water and
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