Research Bulletin - University of Missouri, College of Agriculture ..., Issue 40
Research Bulletin - University of Missouri, College of Agriculture ..., Issue 40
University of Missouri--Columbia. Agricultural Experiment Station
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A J. Lawrence Smith fusion was run on this residue. It was then leached and the filtrate was combined with the leachings from the first ash. Potassium was determined by the oificial Lindo-Glad- ding method on the combined solutions. Phosphorus. — One or two grams of the dry powder were Digiti zed by Google Changes in Chemical Composition — ^Apple Spurs 11 ashed, digested with hydrochloric acid, nitric acid was added and the hydrochloric evaporated off. The official gravimetric method was used o...n the nitric-acid solution. Total Nitrogen — One gram of the dry powder was used for the determination, of total nitrogen. The official Kjehldahl-Gunning- Arnold method was used. Carbohydrates. — 1. Reducing Sugars. One or two grams of the dry powder were thrown on a filter and washed at least five times with small amounts of cold distilled water into a 250 cc. volumetric flask. The washings were used for the determination of sugars ; the residue was saved for starch analysis. The solution was cleared with basic lead acetate solution until no further precipitate developed on the addition of a drop of the reagent.
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