What liquids glow under black light?


There are many different types of objects, liquids and substances that glow when exposed to black light. Generally, these liquids have molecules with rigid structures and delocalized electrons because these properties usually lend themselves to the reaction of glowing under a black light. Some examples of liquids that glow under a black light are petroleum jelly, tonic water, water with vitamins in it, antifreeze and even some bodily fluids.

When fluorescent substances are exposed to a black light, they glow. This is because they absorb the ultraviolet light that emits from the black light device and re-emit it. A slight modification in energy occurs, however, which makes the emitted light visible to the human eye. Because of this effect, certain substances appear to glow. Some animals even glow under a black light.

Other types of liquids that glow under a black light include chlorophyll, laundry detergent and some types of cleaners. Tooth whiteners also often glow under a black light. Because these materials are composed of different things, but have a similar effect on the energy they absorb from the black light, they do not all glow in precisely the same way. In fact, many substances glow in different colors from one another when exposed to a black light.

Q&A Related to "What liquids glow under black light?"
A popular, collectible mineral, scheelite (calcium tungstate), glows blue under short wave ultraviolet light. Flourite (calcium fluoride) usually fluoresces blue, but many specimens
Filed In: Chemistry Disciplines. CSI Chemistry and ForensicScience. Learn about CSI chemistry and forensic science, including how to perform forensic tests and how they work. Kastle-Meyer
There is a problem with your question, there is NO BLACK LIGHT! Radiation--electromagnetic waves--visible light, infrared radiation, etc. Light can only be invisible, not black.
check UV Gear (www.uvgear.co.uk) for a host of ideas. Tonic water naturally glows under uv. Try uv table tennis for fun!
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What Will Glow Under Black Light?
Black lights emit a very dim, purplish light that sets a great mood for a party. Halloween parties or haunted houses often use black lights, but these lights can also help to create a fun, neon, glowing atmosphere for any occasion.... More »
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