Zinc sulfide
This powder is light yellow to white or off-white in color. It becomes darker as it is seen. Zinc sulfuride is stable when dry, however, if left in humid conditions for too long or contains moisture it can slowly oxidize and become zinc sulfate.
Zinc sulfide powder properties
Zinc sulfuride is an organic compound having the chemical formula ZnS. Zinc sulfide will slowly oxidize if placed in moist air. Zinc sulfuride can be found in sphalerite. However, it is not soluble or easily dissolves in water.
Zinc sulfuride becomes crystals when it is burned in H2S. The a variant has a colorless hexagonal crystal and a density 3.99g/cm3. It also has a melting point at 1700°C. While the b variation is a colorless cubic cristal with a density 4.99g/cm3. This is then transformed to the a variety at 1020°C.
Zinc sulfuride is usually obtained through the combination of hydrogen sulfide, zinc salt solution. A small amount of Cu Mn, Ag can be added to the ZnS crystal as an activator. It will emit different colors when illuminated.
Zinc Powder Applications
Zinc sulfuride is an analytical reagent and a phosphor matrix material. It is also used for the production of dyes.
Zinc sulfuride is easily dispersed, and does not form agglomerates. You can use it as part of thermosetting and reinforced fibre glass. It also serves to retard flames.
It is often used to make ceramics due to its good sintering qualities. Monodisperse Zinc Sulfide Powder has been shown to have a better sintering result than agglomerate. The particle sizes are also affected by the increase in sintering power.
It is photonic and can create photon holes. Because of this, nano-zinc Sulfide has the ability to generate photons. It’s a very good photocatalytic semiconductor.
Zinc sulfuride is an optical material that can transmit infrared light. It is highly infrared-transmitting and has exceptional optical, mechanical and thermo comprehensive performance in both the 8-12ym (3-5p.m) and 8-12ym (8-12ym) bands. It’s the ideal dual-band, infrared observation window to use with hood material and aircraft.
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