Banknote #2 is a photograph by Science Photo Library which was uploaded on September 27th, 2018.
Banknote #2
Banknote security, UV anti-counterfeit marker. Close-up of a UK ten-pound sterling (10 GBP) banknote under ultraviolet (UV) light, revealing the... more
Title
Banknote #2
Artist
Science Photo Library
Medium
Photograph
Description
Banknote security, UV anti-counterfeit marker. Close-up of a UK ten-pound sterling (10 GBP) banknote under ultraviolet (UV) light, revealing the anti-counterfeiting marker (in the form of the number 10) that is not seen under visible light. The UV light causes chemicals in the marker to fluoresce, making the marker visible as it glows. The colours depend on the chemicals used. UK and Euro banknotes use compounds of the rare earth (lanthanide) elements europium and terbium. For this image in visible light, see image C013/2676.
Uploaded
September 27th, 2018
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