METHOD OF DETERMINING CATION-ACTIVE AND NONIONOGENIC SURFACTANTS IN SOLUTIONS

摘要

the invention u043au0430u0441u0430u0435u0442u0441u00a0 analytical chemistry, in particular u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 u043au0430u0442u0438u043eu043du043eu0430u043au0442u0438u0432u043du044bu0445 u043du0435u0438u043eu043du043eu0433u0435u043du043du044bu0445 surfactants in solutions that can be use u0437u043eu0432u0430u043du043e in their production. goal is to improve the accuracy of the analysis.the last lead processing samples with a mixture of iodine and boric acid in their u043cu043eu043bu00a0u0440u043du043eu043c ratio (0.02 - 00025): 1, in the presence of acetic acid at ph 2 and 6, followed by u0444u043eu0442u043eu043cu0435u0442u0440u0438 u0440u043eu0432u0430u043du0438u0435u043c brown solution. these u0443u0441u043bu043eu0432u0438u00a0 improve accuracy u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0. so u043eu0442u043du043eu0441u0438u0442u0435u043bu044cu043du0430u00a0 error analysis u0441u043eu0441u0442u0430u0432u043bu00a0u0435u0442 4 to 4.5%. 3, table 2).