Practical physiological chemistry : a book designed for use in courses in practical physiological chemistry in schools of medicine and of science . ine precipitate of tribromphenol and tribromcresol. Tests for Oxyacids. 1. Color Test.—Test a little of the solution with Millonsreagent. A red color results. 2. Bromine Water Test.—Add a few drops of bromine water to some of the filtrate. A turbidity or precipitate is observed. Test for Skatol-carbonic Acid. Ferric Chloride Test.—Acidify some of the filtrate with hydrochloric acid, add a few drops of ferric chloride solution and heat. Compare the
Practical physiological chemistry : a book designed for use in courses in practical physiological chemistry in schools of medicine and of science . ine precipitate of tribromphenol and tribromcresol. Tests for Oxyacids. 1. Color Test.—Test a little of the solution with Millonsreagent. A red color results. 2. Bromine Water Test.—Add a few drops of bromine water to some of the filtrate. A turbidity or precipitate is observed. Test for Skatol-carbonic Acid. Ferric Chloride Test.—Acidify some of the filtrate with hydrochloric acid, add a few drops of ferric chloride solution and heat. Compare the end-reaction with that given by phenol. CHAPTER The feces is the residual mass of material remaining in theintestine after the full and complete exercise of the digestiveand absorptive functions and is ultimately expelled from thebody through the rectum. The amount of this fecal dischargevaries with the individual and the diet. Upon an ordinarymixed diet the daily excretion by an adult male will aggregate110-170 grams with a solid content ranging between 25 and45 grams; the fecal discharge of such an individual upon a Fig. Microscopical Coxstitlknts of Feces. (v. Jaksch.) a, Muscle fibers ; b, connective tissue; c, epithelium ; d, leucocytes; e, spiralcells; /, g, h, i, various vegetable cells; k, triple phosphate crystals; /.woody vegetable cells; the whole interspersed with innumerable micro-organisms of various kinds. vegetable diet will be much greater and may even be a*great as 350 grams and possess a solid content of 75 variation in the normal daily output being so great ren-ders this factor of very little value for diagnostic purposes,except where the composition of the diet is accurately known. •39 140 PHYSIOLOGICAL CHEMISTRY. Lesions of the digestive tract, a defective absorptive functionor increased peristalsis as well as an admixture of mucus, pus,blood and pathological products of the intestinal wall may-cause the total amount of excr
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