ultraviolet absorption

ultraviolet absorption

[¦əl·trə′vī·lət əb′sȯrp·shən]
(optics)
Absorption of specific ultraviolet radiation wavelengths by a material; for example, by a sample solution during spectroscopic analysis.
References in periodicals archive ?
Figure 5b shows the ultraviolet absorption spectra of the feed solution with reaction time.
It uses ultraviolet absorption of unstained cells which is cost effective, can be done in real time, and can have a higher confidence level of accuracy.
Bagge, who chatted with readers about her work in the comment section of the story on the Science News website, responded: "These shrimp are transparent in the visible spectrum, but I do not know if anyone has yet measured the ultraviolet absorption of the tissues of these specific shrimp.
Thus, along with the origin of the superrotation of the atmosphere, identification of a mysterious source of ultraviolet absorption in the clouds, Venus polar vortices are one of the great mysteries of our twin planet.
Ozone measurement is controlled by a reliable DM100 ozone unit, which employs the ultraviolet absorption principle.
Other techniques, such as ultraviolet absorption and chemiluminescence, are also used when concentrations are low," says Graham.
2 Compound materials ultraviolet absorption spectrometry analyses
However, abnormal serum protein electrophoresis patterns may also indicate the presence of transitory plasma proteins originating from tissues as well as nonprotein interfering substances, most commonly iodinated contrast agents and antibiotics showing ultraviolet absorption at 200 nm, the wavelength used to quantify proteins in capillary electrophoresis (1 ).
HPLC was performed in a Hitachi L-7110 high-performance liquid chromatograph (Tokyo, Japan) equipped with an ultraviolet absorption detector.
To study the catalyst be havior, a high-speed ultraviolet absorption spectrometer was constructed for analysis of engine exhaust.
Molecular concentration is measured using either refractometric methods (interference) or ultraviolet absorption.
Work to date in our laboratories shows that ultraviolet absorption spectroscopy and microprocessor technology can be deployed successfully to develop an intelligent monitor for identifying and measuring a large number of chemical vapours in air.