Optical rotatory dispersion

Techniques of Chiroptical Spectroscopy

Published in Grinberg Nelu, Rodriguez Sonia, Ewing’s Analytical Instrumentation Handbook, Fourth Edition, 2019

Nelu Grinberg, Harry G. Brittain, Sonia Rodriguez

The most important parameter in determining the magnitude of optical rotation is the wavelength of the light used for the determination. Generally, the magnitude of the circular birefringence increases as the wavelength becomes shorter, and hence specific rotations increase in a regular manner at lower wavelengths. This behavior persists until the light is capable of being absorbed by the chiral substance, whereupon the refractive index exhibits anomalous behavior. The variation of specific or molar rotation with wavelength is termed optical rotatory dispersion (ORD).

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Journal Information

Published in Ozone: Science & Engineering, 2020

Franco Cataldo, Ottorino Ori

The optical rotatory dispersion (ORD) spectra were recorded on a Jasco P-2000 polarimeter equipped with a digital monochromator from Optometrics, model DMC1-03, which transforms the polarimeter into a spectropolarimeter.

Optical rotatory dispersion

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Techniques of Chiroptical Spectroscopy

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