optical rotation

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optical rotation:

see polarization of lightpolarization of light,
orientation of the vibration pattern of light waves in a singular plane. Characteristics of Polarization

Polarization is a phenomenon peculiar to transverse waves, i.e.
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optical rotation

[′äp·tə·kəl rō′tā·shən]
Rotation of the plane of polarization of plane-polarized light, or of the major axis of the polarization ellipse of elliptically polarized light by transmission through a substance or medium.
References in periodicals archive ?
Optical purity of lactic acid is very important and hence is of major concern in production of PLA.
Optical purity (% L-content, as determined by optical polarimetry) is always >95% in all cases, suggesting retention of configuration as well as chemical integrity.
He adds that the optical purity of quartz may be equally important to many users in laboratory environments because a relatively broad range of light wavelengths pass unimpeded through clear fused quartz, which is especially important in UV disinfection applications.
The above purified d-threo-Ritalinic acid tartaric acid salt was treated with hydrochloric acid and isolated the required product and economical for the preparation of d-threo-ritalinic acid as an industrial procedure and gives d-threo-ritalinic acid hydrochloride with high optical purity.
Researchers routinely use nuclear magnetic resonance (NMR) spectroscopy to determine optical purity and assign the absolute configuration of many classes of compounds, a process that requires mastery of a broad array of reagents.
L, dl- and 1-isomers can be distinguished optically by using refractometric techniques that determine the specific rotation and therefore the optical purity of the isomer.
To verify the optical purity of the derivatization reagent, 10 [micro]L of a 10 mg/L solution of optically pure S-PEA was transferred to a reaction vial.
It is said to have exceptional optical purity and clarity, with a refractive index of 1.51 and high light transmittance across the full spectrum - including the blue-green range.
But in place of optical purity or the celebratory identification of polished, streamlined object with the sublimated techno-gleam of the glossy photograph, the smooth, silvered paper of Wols's kitchen photographs is imbricated in the glistening of viscera, the scintillations of stains and scratches, and the viscous luster of fetid fluids.