The chemistry of plant and animal life . Fig. 81.—Digestion apparatusused in the determination of 226 AGRICULTURAI, CHEMISTRY with sulfuric acid to oxidize the organic matter and con-vert the nitrogen into ammonium sulfate (see Fig. 8i).. Fig. 82.—Distillation apparatus used in the determination of nitrogen. The nitrogen, in the form of ammonium sulfate, is thenliberated as free ammonia, distilled and its amount deter-mined (see Fig. 82). Albuminoids 308. Composition of Albuminoids. — This term isapplied to a class of bodies resembling proteids, butdiffering from them in composition and food v
The chemistry of plant and animal life . Fig. 81.—Digestion apparatusused in the determination of 226 AGRICULTURAI, CHEMISTRY with sulfuric acid to oxidize the organic matter and con-vert the nitrogen into ammonium sulfate (see Fig. 8i).. Fig. 82.—Distillation apparatus used in the determination of nitrogen. The nitrogen, in the form of ammonium sulfate, is thenliberated as free ammonia, distilled and its amount deter-mined (see Fig. 82). Albuminoids 308. Composition of Albuminoids. — This term isapplied to a class of bodies resembling proteids, butdiffering from them in composition and food are found in both animal and plant bodies,but more abundantly in animal tissues. Some albumi-noids are composed of carbon, hydrogen, nitrogen, andoxygen, while others contain, in addition, phosphorus,sulfur and other elements. 309. Nuclein is an albuminoid found in both plantand animal bodies ; it is the material of which the nucleiof cells are composed, and has been separated from milk,the yolk of egg, and white blood corpuscles, as well as NITROGENOUS ORGANIC COMPOUNDS OF PLANTS 227 from plant substances. This albuminoid contains phos-phorus, and has been assigned the formula CjoH^gNgPjO^ takes an i
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