METHOD OF PRODUCING ANALYSIS GRADE PURITY NICKEL (II) NITRATE-6-WATER FREE OF COBALT

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 receivable u043du0438u043au0435u043bu00a0 salts of high purity and can be used in analytical chemistry and u0433u0430u043bu044cu0432u0430u043du043eu0442u0435u0445u043du0438u043au0435. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - u0438u043du0442u0435u043du0441u0438u0444u0438u043au0430u0446u0438u00a0 process by u0443u0441u043au043eu0440u0435u043du0438u00a0 stage u043eu0442u0434u0435u043bu0435u043du0438u00a0 impurities and u0438u0441u043au043bu044eu0447u0435u043du0438u00a0 stage u0443u043fu0430u0440u0438u0432u0430u0447u0438u00a0 aqueous solution of target product. the aqueous solution of nitrate u043du0438u043au0435u043bu00a0 containing 280 to 350 g / l, cultivating compound.as a reagent used u0438u0437u043eu0434u043eu0434u0435u0446u0438u043bu0444u043eu0441 - u0444u0435u0442u0430u043du043eu0432u0443u044e acid u0440u0430u0441u0442u0432u043eu0440u0435u043du043du0443u044e in u0441u043cu0435u0448u0438u0432u0430u044eu0449u0435u043cu0441u00a0 organic solvent with water and processed u0433u0438u0434u0440u043eu043au0441u0438u0434u0439u043c u043du0438u043au0435u043bu00a0, u0432u0437u00a0u0442u044bu043c in u0440u0430u0441u0447u0435u0442u04350,02 - 0.04 (eq, eq he ions in 1 m 2 + - ions, with the ratio of water and organic solvents, equal to 1: (0.02 - 0.2).u043fu0435u0440u0435u0445u043eu0434u00a0u0442 impurities in organic solution and aqueous solution with u043eu0442u0434u0435u043bu00a0u044eu0442u0441u00a0 of trust product. from the last u043au0440u0438u0441u0442u0430u043bu043bu0438u0437u0443u044eu0442 ni (N03) 2 6H20. the u043eu0442u0434u0435u043bu0435u043du0438u00a0 impurities compared to the prototype u0443u0441u043au043eu0440u00a0u0435u0442u0441u00a0 in 8 to 9 times. 2, table 2). sp