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Answered 2010-03-26 09:44:30

What are the limitations of a UV Visible Spectrometer

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Block diagram of uv-vis spectrometer?

cac


What is the difference between uv spectroscopy and uv-visible spectroscopy?

difference between uv and visible spectroscopy


What is the range of visible UV?

there is no such thing, UV is all above the visible band, by definition


What is the effect of solvents on UV-Visible spectroscopy?

effect of solvent on UV-Visible spectrum


What color are UV rays?

Colour only applies to visible light. UV rays are not visible.


Why are there no substances that convert visible light into UV?

UV has higher energy (per photon) than visible light.


What is UV-Visible spectroscopy?

UV-Vis refers to ultraviolet-visible spectroscopy, where UV-Vis measures absorption or reflectance in the ultraviolet-visible spectral range. Using light in the visible and adjacent ranges, such as UV and IR, excites molecules to undergo electronic transitions. UV-Vis measures ground state to excited state transitions.


What is meant by sun's UV rays?

The Sun produces all the electromagnetic radiation in the visible and near visible range. UV rays are near visible ultraviolet rays.


Visible light fits between x-rays and uv?

No, the visible light region is between Infra-red and UV.


Does UV have a longer wavelength or visible light?

Visible light has the longer wavelength. It also has a lower frequency and energy than UV.


Visible light from a distant star can be spread into a spectrum by using what?

spectrometer which has prism installed in it


What is UV-VIS-IR transmission spectra?

It is a spectra that shows how transparent a material can be. in scientific terms, it is incidence of electromagnetic radiation (from the UV, Visible, Infrared wavelength regions) from a source to a material, and there is a detector which records the amount of radiation remaining after the transmission (these radiation that is gone is either reflected of the surface or absorbed by the material). The equipment that measures this is called UV-Vis-NIR spectrometer.


What color comes after violet?

Ultraviolet or UV such as UV rays from the sun. They are not visible by the naked eye. The colour that comes before violet that is visible is indigo.


Application of uv visible spectroscopy?

UV visible spectroscopy is very useful in analyzing dyes and pigments. It may be also used to do kinetics on dye hydrolysis.


Which have the shorter wavelength visible IR or UV light?

UV would have the shorter wave length


Is UV visible and IR range considered non ionizing radiation?

Some high energy photons in the UV range are ionizing radiations. The rest of the UV range, and visible and IR radiations are non-ionizing


Are uv and infra red light visible?

"UV" (ultra-violet) is radiation with shorter wavelength/higher frequency than visible. Infrared is radiation with longer wavelength/lower frequency than visible.


How do you make a distinguish between UV and VIS?

The only difference, between ultra violate light and visible light, is their frequencies, UV has higher frequency than visible and since wavelength x frequency = the speed of light (which is constant at 3x108 ms-1), therefore wavelength is higher in UV. UV light is also not visible, unlike visible light! so, in summery the difference is frequency and wave length.


Which has longest wavelengion either uv radiation or gamma or visible or infrared?

The items on your list, arranged from longest to shortest wavelength, are . . . -- infrared -- visible -- UV radiation -- gamma radiation


If you compared the frequencies of UV light an visible light you and rsquod find that the UV light had a smaller frequency.?

UV has a HIGHER frequency than visible light. If you get such results, either you are not measuring the correct light, or something else is wrong with the measurement.


Why is UV rays harmful to the skin than visible light?

UV rays have a higher energy per photon.


What is the UV visible spectra of Congo red?

498 nm


Is there a material that reflects UV but absorbs IR and visible light?

no


Does visible light have a higher frequency than ultraviolet rays?

No. UV rays have a higher frequency than visible light. UV stands for Ultra Violet or over violet frequency.


What is the relation of Beers Lambert's law in UV Visible spectrometer?

The Beer-Lambert law Absorbance = (extinction coefficent)(pathlength of light)(concentration) allows you to measure the absorbance of sample in a UV spec, and change the rate from absorbance units / time to change in concentration / time. the pathlength of light being the width of the cuvette and the extinctin coefficent being specific to the product molecule.


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