Analysses of Canned Peas And Beans Showing Composition of Different Grades
The book Analysses of Canned Peas And Beans Showing Composition of Different Grades was written by author Wilbur Latimer Dubois Here you can read free online of Analysses of Canned Peas And Beans Showing Composition of Different Grades book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Analysses of Canned Peas And Beans Showing Composition of Different Grades a good or bad book?
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Transfer 15 grams of the sample to a 500 cc Erlen- meyer flask with 200 cc of water; add 20 cc of hydrochloric acid (specific gravity 1. 125) and heat the solution to boiling for two and one-half hours with a reflux condenser. After nearly neutral- izing the acid with sodium hydroxid, transfer the solution to a 300 cc flask, add 5 cc of basic lead acetate, and complete the volume to the mark. Filter and remove the lead from a portion of the filtrate with a dry mixture of potassium sulphate and ...potassium carbonate. In the filtrate obtained from this treatment determine reducing sugar, using Munson and Walker's tables, and multiplying dextrose by 0. 9 to obtain starch. Nitrogen. Determine nitrogen in 10 grams of sample by the Gunning method. Ether extract. Extract the residue from the water determination for sixteen hours with ether. aU. S. T>ept. Agr. , Bureau of Chemistry Bui. 107, Revised, p. 243. [Cir. 54] Crude fiber. Treat 20 grams of the sample according to the offi- cial method, " except that about 100 cc of hot water are added after each period of boiling and before filtering.
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