Typical wavelength for spectrum

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Nuoya Jiang
Posts: 99
Joined: Sat Sep 14, 2019 12:17 am

Typical wavelength for spectrum

Postby Nuoya Jiang » Wed Oct 09, 2019 8:06 pm

Hi, why is the UV light a typical experiment tool to conduct atomic spectroscopy? I know it has great energy and can probably excite electrons, but why do we usually use this wavelength of light to conduct related experiments? Thank you.

Posts: 51
Joined: Sat Jul 20, 2019 12:15 am

Re: Typical wavelength for spectrum

Postby xenamclean_1G » Wed Oct 09, 2019 8:13 pm

UV light simply has a short enough wave length along with enough high energy that is able to discharge the electrons.

Sydney Myers 4I
Posts: 100
Joined: Fri Aug 09, 2019 12:17 am

Re: Typical wavelength for spectrum

Postby Sydney Myers 4I » Wed Oct 09, 2019 10:29 pm

For atomic spectroscopy, it is necessary to expose an element or molecule to every wavelength of light in the electromagnetic spectrum in order to find all of the wavelengths of light that the element/molecule absorbs/emits. I don't think that UV is given special consideration, but maybe a lot of elements happen to absorb/emit it and that's why you see it so much.

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