DOI 10.17586/0021-3454-2022-65-7-513-519
UDC 535.317
ISOPHOTOMETRIC METHOD FOR DETERMINING LOW-INTENSITY SPECTRUM LINESCARS
State Educational Establishment of High Professional Education “Saint-Petersburg State University of Information Technologies, Mechanics and Optics”; Professor
T. V. Tochilina
ITMO University, Saint Petersburg, 197101, Russian Federation; Senior Lecturer
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Abstract. The possibility of using absorption spectroscopy to study the optical properties of windshield washer fluids "Sintech", "Freeze Way", and "Frozox" for cars of different brands is considered. The optical scheme and external view of the measuring instrument, the UV-2600i spectrophotometer, are shown, as well as the measuring block with attached cuvettes for the substance to be analyzed. The obtained spectral absorption curves differ from each other in shape, the observed shifts of the curves are associated with surfactants, functional additives, and dyes.
Keywords: windshield washer fluids, spectrophotometer, spectrum, absorption spectroscopy, absorption coefficient, monochromator, optical properties
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