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Does zinc sulfide glow?

Asked by: Horace Angelica

asked in category: General Last Updated: 1st February, 2020

Does zinc sulfide glow?

During exposure to long wavelength (366 nm) UV light, the zinc sulfide is found to fluoresce and phosphoresce with impressive intensity and vibrant color. After turning the UV light “off” we see the evidence of phosphorescence emission from the zinc sulfide in the form of an “eerie green” glow.

In this regard, why is zinc sulfide used in luminescent paint?

Zinc sulfide powder has been the most widely used luminescent material. The light emitted by the paint is due to the radiation energy deposited in the luminescent crystals by alpha and/or beta particles. Next to no light is due to gamma rays. When the activator deexcites, a photon of light is emitted.

One may also ask, is zinc sulfide a precipitate? It is easily produced by igniting a mixture of zinc and sulfur. Since zinc sulfide is insoluble in water, it can also be produced in a precipitation reaction. Solutions containing Zn2+ salts readily form a precipitate ZnS in the presence of sulfide ions (e.g., from H2S).

Regarding this, what is the Colour of zinc sulphide?


How is zinc oxide made from zinc sulfide?

ZnO decomposes into zinc vapor and oxygen at around 1975 °C with a standard oxygen pressure. In a carbothermic reaction, heating with carbon converts the oxide into zinc vapor at a much lower temperature (around 950 °C). It reacts with hydrogen sulfide to give zinc sulfide. This reaction is used commercially.

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