Journal
Scientific and technical journal «Priborostroenie»
UDK543.42
Issue:6 (66)
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APPLICATION OF THE SPECTROPHOTOMETRIC METHOD FOR STUDYING ETHYL ALCOHOL IN LIQUID PHASE MEDIA
Annotation
Application of the spectrophotometric method for studying ethyl alcohol in some types of beer products is considered. The optical spectroscopy methods make it possible to conduct a quantitative and qualitative analysis of the composition of a substance. These methods are highly accurate, informative, reliable, as well as economical and widely used due to the availability of instrumentation, ease of obtaining and interpreting information, so the work is relevant and promising. The spectrophotometer appearance is presented, optical scheme and the technical characteristics of the device are given. The spectral dependences of the absorption coefficient of the proportion of ethyl alcohol in different sorts of beer are obtained and analyzed. The maximum absorption in the presented liquid-phase media is found in the wavelength range from 200 to 1100 nm.
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