Zinc sulfuride is one of most commonly used phosphorescent substances. Phosphorescence is a particular type of photoluminescence. Phosphorescent materials emit absorbed energy at the same time as fluorescent substances.
What are some properties of zinc sulfuride?
Zinc sulfuride is a white, or slightly yellow, powder. It forms crystals in the presence of H2S gas. Its alpha form is a hexagonal colorless crystal with a density 3.99g/cm3 melting point at 1700degC. Its beta version is a cubic colorless crystal with a density o 4.102g/cm3. At 1020degC, it transforms into an alpha form. Zinc sulfide can be found in sphalerite. Insoluble when water is used. Soluble in acid. You can see the sun dimmed.
Zinc sulfuride is transformed into zinc sulfide in humid conditions for a long period. It is generally formed from the interaction of hydrogen sulfide with zinc salt solution. A small amount of Cu Mn, Ag can be added as an activator to the crystalline ZnS. It will emit different colors of fluorescence when illuminated. Zinc sulfuride can be used to make coatings or analytical reagents. It can also be used to create paint, opaque glass and rubber as well as plastic and phosphor.
Method 1: Add ammonium to the zinc salt solution. You will get a white precipitate.
Method 2: Add ammonium to the zinc sulfate, and then pass in hydrogen to cause precipitation. After the precipitate has been filtered, it is dried in an isolation room. This will give you a clear white crystal zinc sulfide.
Why does zinc sulfide glow?
The color additive luminescent sulfide, which is zinc sulfur with a copper activator, is zinc sulfide. Lumenescent zinc sulfide emits a yellow-green color when it is excited by daylight or an artificial light. It can produce a maximum of 530 nanometers of phosphorescence.
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