METHOD FOR ANALYSIS OF DRIED GRASS FEEDSTUFFS AND VITAMIN MEAL FOR CAROTENE

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 rural u0445u043eu0437u00a0u0439u0441u0442u0432u0443 and may be used in mixed fodder industry u0434u043bu00a0 u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 carotene in dried food and u0442u0440u0430u0432u00a0u043du044bu0445 v u0442u0430u043cu0438u043du043du043eu0439 punishment of wood green. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - reducing the time for the analysis and simplification of the method.u043du0430u0432u0435u0441u043au0443 feed 0.15 to 2 g u043fu0435u0440u0435u043du043eu0441u00a0u0442 in flask in 100 ml, 50 ml u0434u043eu0431u0430u0432u043bu00a0 ute aviation gasoline brand b 70, closing stopper, and the u0441u0442u0430u0432u00a0u0442 in u0432u043eu0434u00a0u043du0443u044e agitate the bath with u0442u0435u043cu043fu0435u0440u0430u0442u0443u0440u043e s water 55 - 60 & deg; c for 30 min, u043fu0435u0440u0435u043cu0435u0448u0438u0432u0430u00a0 periodically.the flask and its contents under mild vacuum u0432u044bu0442u00a0u0436u043au0443 cooled and passed through an oxide layer u0430u043bu044eu043cu0438u043du0438u00a0, which washed the gas before the gas is u0431u0435u0441u0446u0432u0435u0442u043du044b m, after which u0444u043eu0442u043eu043cu0435u0442u0440u0438u0440u0443u044eu0442 extract. u0432u0440u0435u043cu00a0 analysis u0441u043eu043au0440u0430u0449u0430u0435u0442u0441u00a0 with 14 to 18 h to 30 min 3 table.