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Fluorescent bulbs contain mercury, a toxic substance. The United States Environmental Protection Agency (EPA) provides safety guidelines for how to clean up a broken fluorescent bulb. [17] Mercury can be harmful to children and developing fetuses, so children and pregnant women should avoid being in the area whilst a broken bulb is cleaned up. [18]
Trichromatic fluorescent lamps BaMg 2 Al 16 O 27:Eu(II) Blue 450 nm 52 nm – Lamp Trichromatic fluorescent lamps [34] BAM BaMgAl 10 O 17:Eu,Mn Blue-Green 456 nm,514 nm – – Lamp – BaMg 2 Al 16 O 27:Eu(II),Mn(II) Blue-Green 456 nm, 514 nm 50 nm 50% [34] – Lamp Ce 0.67 Tb 0.33 MgAl 11 O 19:Ce,Tb Green 543 nm – – Lamp Trichromatic ...
This is a list of minerals which have Wikipedia articles. Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species .
However, timescale is still only a general distinction, as there are slow-emitting fluorescent materials, for example uranyl salts, and, likewise, some phosphorescent materials like zinc sulfide (in violet) are very fast. Scientifically, the phenomena are classified by the different mechanisms that produce the light, as materials that ...
UN Number Class Proper Shipping Name UN 2801: 8: Dyes, liquid, corrosive, n.o.s. or Dye intermediates, liquid, corrosive, n.o.s. : UN 2802: 8: Copper(II) chloride: UN ...
Next on the banned list: compact fluorescent light bulbs. In December 2022, the Department of Energy proposed a rule that would more than double the current minimum light bulb efficiency level, to ...
Fluorescent minerals emit visible light when exposed to ultraviolet. Fluorescent marine organisms Fluorescent clothes used in black light theater production, Prague Fluorescence is one of two kinds of photoluminescence , the emission of light by a substance that has absorbed light or other electromagnetic radiation .
As of Jan. 1, 2012, any bulb that can generate the amount of light produced by a conventional 100-watt bulb, but do so with roughly 30 percent less energy, is eligible for the market. The Basics