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Decomposition of Organic Material
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30 minutes acid are added acid index addition aeration alkali amino ammonia Anal Analysis Assoc Biol boil period boiling point boric acid carbon catalyst Chem Chemists chim clearing concentrated sulfuric acid cooled copper sulfate decomposition Determination of Nitrogen digestion mixture digestion temperature diluted dioxide gm of copper gm of mercuric gm of potassium gm of selenium gm of sodium gm sample gram heated hypochlorite Kjeldahl Determination Kjeldahl Digestion Kjeldahl Method Kjeldahl Nitrogen Leather loss of nitrogen mercuric oxide mercuric sulfate methyl red micro Micro-Kjeldahl Method ml of acid ml of concentrated ml of sulfuric ml of water nitro compounds Nitrogen Determination organic matter permanganate peroxide potassium sulfate procedure Protein pyridine R. B. Bradstreet reaction recovery of nitrogen reduction salicylic acid salt selenate selenium oxychloride semi-micro sodium hydroxide sodium sulfate sodium thiosulfate solution sucrose sulfuric acid tion titrated total digestion total nitrogen tube zinc