Patent
Attenuated total reflection optical probe and aqueous spectrometer using the same
TLDR
In this article, an attenuated total reflection optical probe consisting of an optical material having a light transmission property in the far ultraviolet region, and having a refractive index that changes continuously, at least in one part thereof, is proposed.Abstract:
PROBLEM TO BE SOLVED: To provide an attenuated total reflection optical probe capable of highly sensitively detecting a micro soluble component in aqueous solution and performing a quantitative determination by easily performing a spectrometry of water in a far-ultraviolet region of less than 180 nm.SOLUTION: This attenuated total reflection optical probe comprises an optical material having a light transmission property in the far ultraviolet region, and has a refractive index that changes continuously, at least in one part thereof. The optical probe includes, on a side in contact with a sample substance, a plane totally reflecting light having incident angle equal to or larger than the critical angle. The refractive index in the far ultraviolet region at a part near the plane including the part of the plane is higher than the refractive indices of the other part and of the sample substance.read more
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Patent
Method of measuring water and aqueous solution with ultraviolet ray
TL;DR: In this article, a calibration curve of absorption intensity and concentration at one or more wavelengths on the long wavelength side not including the absorption peak of the dissolved substance itself having an absorption peak near 160 nm of water is determined in advance, and the ultraviolet spectrum of the aqueous solution sample containing a trace component is measured in a predetermined wavelength range.
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Patent
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