Practical Physiological Chemistry: A Book Designed for Use in Courses in Practical Physiological Chemistry in Schools of Medicine and of Science |
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Common terms and phrases
acetic acid acetone acidified albumin alkaline ammonia ammonium beaker bile biuret blood blue color boiling c.c. of urine c.c. of water calcium cent alcohol cent solution coagulation constituents containing cool creatinine crystalline crystals cubic centimeters cupric sulphate decomposition detected dextrose diacetic acid digestion dilute directions given dissolved distilled water drops enzyme equal volume ether evaporate excretion feces Fehling's Fehling's solution filtrate flask fluid gastric juice globulin grams hæmoglobin heat hippuric acid hydrochloric acid hydrogen indicates iodine metaprotein method microscope milk mixture molecule neutral nitrate nitric acid nitrogen normal number of cubic occur ordinarily oxalate oxide pathological peptones phosphates pigment potassium hydroxide precipitate present protein proteoses reaction reagent residue salts saturated sediment small amount sodium carbonate sodium chloride sodium hydroxide solu soluble starch substances sugar sulphuric acid test-tube add tion tissue tube urates urea uric acid urinary urine urine under examination wash water-bath yellow
Popular passages
Page 76 - It is claimed that in the ordinary metabolic activities of the animal body arginine gives rise to urea. While this claim is probably true, it should, at the same time, be borne in mind that the greater part of the protein nitrogen is eliminated as urea and that, therefore, but a very small part can arise from arginine. Leucine, C6H13NO2.
Page 392 - ... mm. from the true value (8 mm.). Four or more readings should be made in each case and an average taken of all of them, exclusive of the first reading, which is apt to be less accurate than the succeeding readings. In time, as one becomes proficient in the technic, it is perfectly safe to take the average of the first two readings.
Page 86 - Soluble in water and insoluble in very dilute ammonia and, in the absence of ammonium salts, insoluble even in an excess of ammonia; yield precipitates with solutions of other proteins and a coagulum on heating, which is easily soluble in very dilute acids. On hydrolysis they yield a large number of amino acids among which the basic ones predominate.
Page 277 - Folin that the absolute quantity of creatinine eliminated in the urine on a meat-free diet is a constant quantity different for different individuals, but wholly independent of quantitative changes in the total amount of nitrogen eliminated.
Page 23 - HO — C — H H — C — OH H — C — OH HO — C — H H — C — OH H — C. — OH H — C — OH...
Page 392 - Place 10 cc of urine in a 500 cc volumetric flask, add 15 cc of a saturated solution of picric acid and 5 cc of a 10 per cent solution of sodium hydroxide, shake thoroughly and allow the mixture to stand for 5 minutes.
Page 87 - Products of the further action of acids and alkalies whereby the molecule is so far altered as to form products soluble in very weak acids and alkalies but insoluble in neutral fluids. This group will thus include the familiar "acid proteins" and "alkali proteins," not the salts of proteins with acida.
Page 259 - The solid content of 1,000 cc of urine is obtained by multiplying the last two figures of the specific gravity observed at 25° C. by 2.6. To determine the amount of solids excreted in twenty-four hours if the volume was...
Page 29 - The mixture is then heated to vigorous boiling, kept at this temperature for one or two minutes, and allowed to cool spontaneously. In the presence of glucose the entire body of the solution will be filled with a precipitate, which may be red, yellow or greenish in tinge.
Page 414 - T^ sodium hydroxide solution until a violet color is produced. In this titration the red color, which appears after the tinge of yellow due to the addition of the indicator has disappeared, must be entirely replaced by a distinct violet color. Take the burette reading and calculate the combined acidity.