METHOD OF QUANTITATIVE GAS CHROMATOGRAPHIC DETERMINATION OF UNIDENTIFIED IMPURITIES IN LIQUID MEDIA

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to analytical chemistry and can find application in the chemical, biological and other u043eu0442u0440u0430u0441u043bu00a0u0445 industry in determining the u0441u043eu0434u0435u0440u0436u0430u043du0438u00a0 os u043du043eu0432u043du043eu0433u043e component in the products of organic synthesis and chemical u0440u0435u0430u043au0442u0438u0432u0430u0445 general u043du0430u0437u043du0430u0447u0435u043du0438u00a0 and control their purity and qualifications. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - improving the accuracy of the analysis.the original sample and its mixture with internal standard u0445u0440u043eu043cu0430u0442u043eu0433u0440u0430u0444u0438u0440u0443u044eu0442 and u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 density. then, from the initial sample u0443u0434u0430u043bu00a0u044eu0442 part of the pillar to u0443u043cu0435u043du044cu0448u0435u043du0438u00a0 his mass proportion of 5% - 20%, u043eu043fu0440u0435u0434u0435u043bu00a0u044eu0442 density and u0445u0440u043eu043cu0430u0442u043eu0433u0440u0430u0444u0438u0440u0443u044eu0442 u043fu043eu043fu0443u0447u0435u043du043du044bu0439 sample and its mixture with the internal standard.further definition of the amount of impurities in the original sample u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u044eu0442 formula shown in the description u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0. 2, table 2). with with