ALPHA-OXY-BETA-PHENYLAMINOETHYLIDENE DIPHOSPHONIC ACID AS SEMIPRODUCT FOR SYNTHESIS OF IONITE POSSESSING SORPTION PROPERTIES TO FERRIC IONS IN HIGHLY ACIDIC MEDIA

摘要

the invention u043au0430u0441u0430u0435u0442u0441u00a0 chemistry of organophosphorus compounds, in particular the oxy - u0444u0435u043du0438u043bu0430u043cu0438u043du043eu044du0442u0438u043bu0438u0434u0435u043du0434u0438u0444u043eu0441u0444u043eu043du043eu0432u043eu0439 acid - u043fu043eu043bu0443u043fu0440u043eu0434u0443u043au0442u0430 u0434u043bu00a0 fusion u0438u043eu043du0438u0442u0430, u043eu0431u043bu0430u0434u0430u044eu0449 its ion-exchange sorption properties to iron ions in the u0441u0438u043bu044cu043du043eu043au0438u0441u043bu044bu0445 environments and can find application in metallurgy u0434u043bu00a0 u0440u0430u0437u0434u0435u043bu0435u043du0438u00a0 metals. the goal is to create a new u043fu043eu043bu0443u043fu0440u043eu0434u0443u043au0442u0430 u0434u043bu00a0 synthesis more effectively u0438u043eu043du0438u0442u0430.the synthesis comprises the following steps: (a) the reaction u0445u043bu043eu0440u0443u043au0441u0443u0441u0443u043du043eu0439 acid with PCL3 and u0444u043eu0441u0444u043eu0440u0438u0441u0442u043eu0439 acid;(b) hydrolysis product and u043eu0431u0440u0430u0437u0443u044eu0449u0435u0433u043eu0441u00a0) processing of oxy - u0445u043bu043eu0440u044du0442u0438u043bu0438u0434u0435u043du0434u0438u0444u043eu0441u0444u043eu043du043eu0432u043eu0439 acid in the presence of a catalyst u0430u043du0438u043bu0438u043du043eu043c copper nitrate. 98.4%.;u0442.u043fu043b.187u0441;gross s la C8H13NO7P2. u043au043eu043du0434u0435u043du0441u0430u0446u0438u0435u0439 of above product with formaldehyde are u0438u043eu043du0438u0442 to 93%;gross s la C9H13NO7P2. compared with known u0438u043eu043du0438u0442u0430u043cu0438, new u0438u043eu043du0438u0442 has a higher ability to u0441u043eu0440u0431u0446u0438u043eu043du043du043eu0439 iron (3 +) ions in the u0441u0438u043bu044cu043du043eu043au0438u0441u043bu044bu0445 environments. so, in 5u043d. h2so4 is higher in 2 - 3 times, 5u043d. HCL 1.5 - 3.5 times, in the 5u043d. H3PO4 4 times, in 5u043d.HNO3 1.3 - 1.6 times. 1, table 2).