Practical physiological chemistry; a book designed for use in courses in practical physiological chemistry in schools of medicine and of science . about in an acid solution. It is unsuitedfor the detection of sugar in urine. 12. Fermentation Test.—Rub up in a mortar about 20 of the sugar solu-tion with a small piece of compressed yeast. Transfer the mixture to a sacchar-ometer (shown in Fig. 3) and stand it aside in a warm place for about twelvehours. If the sugar is fermentable, alcoholic fermentation will occur and carbondioxide will collect as a gas in the upper portion of the tube (se
Practical physiological chemistry; a book designed for use in courses in practical physiological chemistry in schools of medicine and of science . about in an acid solution. It is unsuitedfor the detection of sugar in urine. 12. Fermentation Test.—Rub up in a mortar about 20 of the sugar solu-tion with a small piece of compressed yeast. Transfer the mixture to a sacchar-ometer (shown in Fig. 3) and stand it aside in a warm place for about twelvehours. If the sugar is fermentable, alcoholic fermentation will occur and carbondioxide will collect as a gas in the upper portion of the tube (see Fig. 4;.On the completion of fermentation introduce a Uttle potassium hydroxide solu-tion into the graduated portion by means of a bent pipette, place the thumbtightly over the opening in the apparatus and invert the saccharometer. Re-membering that KOH has the power to absorbCO2 how do you explain the result? 13. Formation of Caramel.—Gently heat asmall amount of pulverized dextrose in a the sugar has melted and turned brown, allowthe tube to cool, add water and warm. The color-ing matter produced is known as
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbiochem, bookyear1916
