Application of the spectrophotometric method for studying ethyl alcohol in liquid phase media
https://doi.org/10.17586/0021-3454-2023-66-6-501-508
Abstract
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.
About the Authors
E. E. Maiorov
St. Petersburg State University of Aerospace Instrumentation; St. Petersburg State University of Management Technologies and Economics
Russian Federation
Russian Federation
Evgeny E. Maiorov — PhD, Associate Professor; St. Petersburg State University of Aerospace Instrumentation, Department of Applied Mathematics, St. Petersburg State University of Management Technologies and Economics, Department of Information Technology and Mathematics.
St. Petersburg
О. V. Afanaseva
St. Petersburg State University of Aerospace Instrumentation; St. Petersburg Mining University
Russian Federation
Russian Federation
Olga V. Afanaseva — PhD, Associate Professor; St. Petersburg Mining University, Department of System Analysis and control; St. Petersburg State University of Aerospace Instrumentation, Department of Applied Mathematics.
St. Petersburg
V. V. Kurlov
St. Petersburg State University of Aerospace Instrumentation; St. Petersburg State University of Management Technologies and Economics
Russian Federation
Russian Federation
Viktor V. Kurlov — PhD, Associate Professor; St. Petersburg State University of Aerospace Instrumentation, Department of Innovation and Integrated Quality Systems, St. Petersburg State University of Management Technologies and Economics, Department of Information Technology and Mathematics.
St. Petersburg
I. S. Tayurskaya
St. Petersburg State University of Management Technologies and Economics
Russian Federation
Russian Federation
Irina S. Tayurskaya — PhD, Associate Professor; St. Petersburg State University of Management Technologies and Economics, Department of Information Technology and Mathematics.
St. Petersburg
M. V. Sokolovskaya
St. Petersburg State University of Aerospace Instrumentation
Russian Federation
Russian Federation
Maria V. Sokolovskaya - St. Petersburg State University of Aerospace Instrumentation, Department of Applied Mathematics; Senior Lecturer.
St. Petersburg
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Review
For citations:
Maiorov E.E., Afanaseva О.V., Kurlov V.V., Tayurskaya I.S., Sokolovskaya M.V. Application of the spectrophotometric method for studying ethyl alcohol in liquid phase media. Journal of Instrument Engineering. 2023;66(6):501-508. (In Russ.) https://doi.org/10.17586/0021-3454-2023-66-6-501-508
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