![Glowing blue tonic water, quinine, as used in gin and tonic emmits light as visible when activated by ultraviolet A UV light 365 nm Stock Photo - Alamy Glowing blue tonic water, quinine, as used in gin and tonic emmits light as visible when activated by ultraviolet A UV light 365 nm Stock Photo - Alamy](https://c8.alamy.com/comp/PTK880/glowing-blue-tonic-water-quinine-as-used-in-gin-and-tonic-emmits-light-as-visible-when-activated-by-ultraviolet-a-uv-light-365-nm-PTK880.jpg)
Glowing blue tonic water, quinine, as used in gin and tonic emmits light as visible when activated by ultraviolet A UV light 365 nm Stock Photo - Alamy
TELUS Spark Science Centre - DYK that tonic water glows in UV light? Thanks to a chemical called quinine, tonic water glows bright blue! Learn more about the glowing properties of tonic
![Tonic water (A), which contains quinine ion UV radiation (B) presents... | Download Scientific Diagram Tonic water (A), which contains quinine ion UV radiation (B) presents... | Download Scientific Diagram](https://www.researchgate.net/publication/236893752/figure/fig2/AS:299282902077441@1448366012167/Tonic-water-A-which-contains-quinine-ion-UV-radiation-B-presents-fluorescence-In.png)