VIVID - UV Phosphors - Green Easy Dispersible
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General Characteristics
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Physical Characteristics
|
| Name |
Cerium Magnesium Aluminate:Tb fine ED |
Body Colour |
White |
| Chemical Formula |
(Ce,Tb)MgAl11O19 |
Specific Gravity |
4.10 |
| Application |
Green Component Tri-band Phosphor mix high colour rendering fluorescent lamps (Ra>80) |
Particle Size Distribution |
By Laser Diffraction (Sympatec - HELOS) |
| Processing |
Stirrer |
» fraction £ 1.8 µm |
11.0 ± 5% |
| Suspension Type |
Butyl acetate or Water |
» fraction £ 6.0 µm |
50.0 ± 20% |
| Packaging |
35 kg in 50 ltr steel drum |
» fraction £ 21.0 µm |
³ 100.0% |
| |
|
Crystal Structure |
Magnetoplumbite |
|
Optical Characteristics of UV Phosphors - Green Easy Dispersible
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|
—————— 254 nm excitation ——————
|
—————— C.I.E. Chromaticity Coordinates ——————
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| » Quantum efficiency |
91% |
» Powder |
x = 0.350 Y = 0.582 |
| » UV absorption |
93% |
» Lamp TLD 36W |
x = 0.311 Y = 0.543 |
| » Wavelength at peak |
542 nm |
|
|
| » Bandwidth (50%) |
8 nm |
—————— Lumen Output 100h TLD (36W) —————— |
| » Excitation peak |
281 nm |
» Nominal |
4600 lm |
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