Refractometric methods and means of control of ethanol, propanol, and their aqueous solutions
https://doi.org/10.17586/0021-3454-2023-66-7-594-601
Abstract
Results of research into ethanol, propanol and their aqueous solutions by the total internal reflection method, which is characterized by high accuracy and provides reliable measurements, are presented. Optical scheme and technical characteristics of the AR-4 refractometer designed to measure the optical parameters of the studied substances are given. The dependences of the refractive index on the concentration and temperature of solutions were obtained at concentrations k = 0…100% and temperatures t = 10…40 ºС at a wavelength λ = 589 nm; cubic interpolations of the refractive index dependences of the concentration and temperature of the solutions are demonstrated.
Keywords
About the Authors
A. V. Arefiev
St. Petersburg State University of Aerospace Instrumentation
Russian Federation
Russian Federation
Aleksandеr V. Arefiev — PhD, Associate Professor; Department of Applied Mathematics
St. Petersburg
O. V. Afanaseva
St. Petersburg Mining University
Russian Federation
Russian Federation
Olga V. Afanaseva — PhD, Associate Professor; Department of System Analysis and Control
St. Petersburg
A. V. Dagaev
Ivangorod Humanitarian and Technical Institute, Branch of St. Petersburg State University of Aerospace Instrumentation
Russian Federation
Russian Federation
Alexander V. Dagaev - PhD; Department of Mathematics, Computer Science and Information Customs Technologies; Associate Professor
St. Petersburg
V. V. Kurlov
St. Petersburg State University of Aerospace Instrumentation
Russian Federation
Russian Federation
Viktor V. Kurlov — PhD, Associate Professor; Department of Innovation and Integrated Quality Systems
St. Petersburg
E. E. Maiorov
St. Petersburg State University of Aerospace Instrumentation
Russian Federation
Russian Federation
Evgeny E. Maiorov — PhD, Associate Professor; Department of Applied Mathematics
St. Petersburg
I. S. Tayurskaya
St. Petersburg University of Management Technologies and Economics
Russian Federation
Russian Federation
Irina S. Tayurskaya — PhD, Associate Professor; Department of Information Technologies and Mathematics
St. Petersburg
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Review
For citations:
Arefiev A.V., Afanaseva O.V., Dagaev A.V., Kurlov V.V., Maiorov E.E., Tayurskaya I.S. Refractometric methods and means of control of ethanol, propanol, and their aqueous solutions. Journal of Instrument Engineering. 2023;66(7):594-601. (In Russ.) https://doi.org/10.17586/0021-3454-2023-66-7-594-601
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