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acetic acid acid reaction add excess Add HC1 agitate AgNO albumin alcohol alkaline alkaloid aqueous liquid ARSENIC Atropin beaker black ppt blue color blue ppt boiling burette carbonate cent Chlorates chlorid chloroform colorless cool crystalline ppt crystals CuSO deposit DETERMINA,ON dilute dissolves drop ether evaporate examine ferrocyanid filter filtrate flame flask formed gives a white glass glucose H,SO HaS0 heat hydroxid insol insoluble iodic acid iodid litmus mixed mixture Moisten NaHO neutral solns NH,HO NH,HS NH.Cl NH.HO NH.HS nitrate nitric acid number of cc odor oxalate phosphate poisons portion potassium produced reagent red color red ppt residue salts small quantity sodium soln soluble solution substances sugar sulfate test-tube add tion tube twenty-four hours urate urea uric acid urine urine containing urinometer veratrin violet color warm wash watch-glass water-bath white ppt yellow ppt
Page 291 - ... water; and (2) a 0.5 per cent. solution of sodium nitrite. To make the test, I cc of (2) is added to 40 cc of (1), and the mixture thoroughly shaken. Equal quantities of this mixture and the urine to be tested are shaken together in a test tube, and I cc of ammonia is then floated upon the surface, when, in an affirmative result, a red band is formed at the junction of the fluids. Its diagnostic value is uncertain. Von Jaksch "disclaims for this test any clinical importance whatever.
Page 291 - The filtrate is mixed with an equal volume of fuming hydrochloric acid containing 3 to 1,000 of ferric chloride, a few drops of chloroform are added, and the mixture strongly shaken one to two minutes. With normal urine the chloroform remains colorless, or almost so, but if an excess of indoxyl compounds be present the chloroform is colored blue. and the depth of the color is a rough indication of the degree of the excess.
Page 311 - ... 7791. The product is the amount of urea in grams in 100 cc...
Page 375 - ЬС .S a -t> л tl g § та -4^1 the flask is closed with a cork, through which passes a glass tube of 8 mm.