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Strontium aluminate based afterglow pigments are marketed under numerous brand names such as Core Glow, Super-LumiNova [12] and Lumibrite, developed by Seiko. Many companies additionally sell products that contain a mix of strontium aluminate particles and a 'host material'. Due to the nearly endless ability to recharge, strontium aluminate ...
Phosphorescent pigments performance, in visible light, in dark, after 4 minutes in dark - zinc sulfide (left) and strontium aluminate (right) based materials Super-LumiNova is a brand name under which strontium aluminate –based non- radioactive and nontoxic photoluminescent or afterglow pigments for illuminating markings on watch dials ...
Electrons within the pigment are being "excited" by ultraviolet light exposure—the excitation wavelengths for strontium aluminate range from 200 to 450 nm electromagnetic radiation—to a higher energetic state and after the excitation source is removed, fall back to their normal energetic state by releasing the energy loss as visible light ...
Strontium aluminate based pigments are now used in exit signs, pathway marking, and other safety related signage. [ 22 ] Zinc sulfide (left) and strontium aluminate (right), in visible light, in darkness, and after 4 minutes in the dark.
Pearl Scene using phosphorescent paint, Irving Berlin's 1921 Music Box Revue Phosphorescent paint is commonly called "glow-in-the-dark" paint. It is made from phosphors such as silver-activated zinc sulfide or doped strontium aluminate, and typically glows a pale green to greenish-blue color.
Iron pigments. Yellow ochre (PY43): a naturally occurring clay of monohydrated ferric oxide (Fe 2 O 3 ·H 2 O). Lead pigments. Naples yellow (PY41). Lead-tin-yellow: PbSnO 4 or Pb(Sn,Si)O 3. Strontium pigments. Strontium yellow (PY32): SrCrO 4; Titanium pigments. Titanium yellow (PY53): NiO·Sb 2 O 3 ·20TiO 2; Tin pigments. Mosaic gold ...
The excitation wavelengths for strontium aluminate range from 200 to 450 nm. The wavelength for its green formulation is 520 nm, its blue-green version emits at 505 nm, and the blue one emits at 490 nm. Colors with longer wavelengths can be obtained from the strontium aluminate as well, though for the price of some loss of brightness.
Strontium oxide aluminate based pigments are now used in exit signs, pathway marking, and other safety related signage. Strontium aluminate based afterglow pigments are marketed under brandnames like Super-LumiNova , [ 2 ] [ 3 ] Watchlume Co, [ 4 ] NoctiLumina, [ 5 ] and Glow in the Dark (Phosphorescent) Technologies.
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