ultraviolet

Acronym: UV

Region of the electromagnetic spectrum extending from about $100 nm$ to $400 nm$ . This region is divided into four sub-bands as follows:

Vacuum Ultraviolet (VUV)	$100 nm$ – $200 nm$
UV-C	$200 nm$ – $280 nm$
UV-B	$280 nm$ – $315 nm$
UV-A	$315 nm$ – $400 nm$ .

Note:

The notation and the limits of the various regions are as recommended by the International Commission on Illumination (CIE), with the exception that in these recommendations the UV-C range is $100 nm$ – $280 nm$ , including thus the vacuum UV range.

Source:

PAC, 2007, 79, 293 (Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 437

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Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.

Last update: 2014-02-24; version: 2.3.3.

DOI of this term: https://doi.org/10.1351/goldbook.UT07492.

Original PDF version: http://www.iupac.org/goldbook/UT07492.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.

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